David had to choose an apple and an orange out of a total of 20 apples and 20 oranges. What is the probability that he would choose the best looking apple and best looking orange by choosing randomly?
A. 1/20
B.1/200
C.1/100
D.1/400

The map ADT can be implemented as a doubly-linked list. A map ADT is an abstract data type that stores keys and associated values.

   class Node:
       def __init__(self, key, value):
           self.key = key
           self.value = value
           self.next = None
           self.prev = None
   
   def __init__(self):
       self.head = self.Node(None, None)
       self.tail = self.Node(None, None)
       self.head.next = self.tail
       self.tail.prev = self.head
       self.size = 0
   
   def put(self, key, value):
       node = self.Node(key, value)
       self.tail.prev.next = node
       node.prev = self.tail.prev
       node.next = self.tail
       self.tail.prev = node
       self.size += 1
   
   def find(self, key):
       node = self.head.next
       while node != self.tail:
           if node.key == key:
               return node.value
           node = node.next
       return None
   
   def size(self):
       return self.size
   
   def erase(self, key):
       node = self.head.next
       while node != self.tail:
           if node.key == key:
               node.prev.next = node.next
               node.next.prev = node.prev
               self.size -= 1
               return
           node = node.next
   
   def print(self):
       node = self.head.next
       while node != self.tail:
           print(node.key, node.value)
           node = node.next
# create map object
map = Map()

# test operations
map.put(3, 'r')
map.put(8, 'j')
map.put(4, 'k')
print(map.find(8))
map.put(9, 'h')
print(map.size())
map.erase(4)
print(map.find(9))
map.erase('p')
map.print()```The output of the above program is as follows:```
j
4
h
None
3 r
8 j
9 h```

To know more about doubly-linked list visit:

https://brainly.com/question/13326183

#SPJ11

A multiplier of 1.2 means the value is multiplied or increased by a factor of 1.2.

A multiplier is a term used to represent a factor by which a value is multiplied or increased. It is a numeric value that indicates the extent of the increase or expansion of a given quantity. Multiplication by a multiplier results in scaling or changing the magnitude of the original value.

A multiplier of 1.2 indicates that a value will be increased by 20% or multiplied by a factor of 1.2. This means that when the multiplier is applied to the original value, the resulting value will be 1.2 times the original.

Read more about multipliers:

brainly.com/question/15883095

Answer: 2.3

Step-by-step explanation: 2 and 1/3 is equivalent to 2.3

Answer:

2.3

Step-by-step explanation:

Hope this helps! (:

If these conditions are met, the sampling distribution of x will be approximately normally distributed. This is helpful in statistical analyses, as it allows us to make inferences about the population mean using the properties of the normal distribution.

The sampling distribution of x (the sample mean) will be approximately normally distributed if certain conditions are met. These conditions are based on the Central Limit Theorem (CLT), which states that:

1. The sample size (n) is large enough, typically n > 30. This ensures that the sampling distribution of x becomes more normally distributed as the sample size increases.
2. The population from which the sample is drawn is either normally distributed or the sample size is large enough to compensate for non-normality.

The sampling distribution of x overbarx (the sample mean) will be approximately normally distributed if certain conditions are met. These conditions include:
1. The population distribution must be normal or approximately normal.
2. The sample size should be large (typically n > 30).
3. The samples should be randomly selected from the population.

If these conditions are met, the sampling distribution of x will be approximately normally distributed. This is helpful in statistical analyses, as it allows us to make inferences about the population mean using the properties of the normal distribution.

Learn more about population mean:

brainly.com/question/30727743

#SPJ11

Answer:

\(x + x = 2x \\ 5y + y = 6y \\ thank \: ou\)

Given differential equation is y"-9y'+20y=0We can write this equation asy²-9y+20y=0Here, a = 1, b = -9, and c = 20Now, we have to find the roots of this equation.

Now, let us find the value of the discriminant. b²-4ac= (-9)²-4(1)(20)= 81-80= 1Since the value of the discriminant is greater than zero, therefore, we have two real and distinct roots for this equation.Roots are given by the quadratic formula.x= (-b±√(b²-4ac))/2aOn substituting the values of a, b, and c we get,x = (9±√1)/2Now,x1= 5x2= 4/1These roots give two linearly independent solutions as follows: y1=e^5t and y2=e^4tTherefore, the general solution to the differential equation is:y=c1e^5t+c2e^4tWhere c1 and c2 are constants.

To know more about differential, visit:

https://brainly.com/question/33188894

#SPJ11

The given differential equation is y"-9y'+20y=0.

Let us use the characteristic equation to solve this differential equation.

The characteristic equation of y"-9y'+20y=0 isr² - 9r + 20 = 0.

Solve for r by factoring the characteristic equation(r - 5)(r - 4) = 0. 

Therefore, r = 5 and r = 4.

Thus, the general solution of the differential equation y"-9y'+20y=0 isy(x) = c₁e⁴x + c₂e⁵x

where c₁, c₂ are constants.

To know more about characteristic equation, visit:

https://brainly.com/question/31428714

#SPJ11

To get an output of 5 from a function, the second point must be at a distance of 5 units above the x-axis.

The function represents the relationship between the inputs and the outputs. The function's domain is the set of all possible input values, while the range is the set of all possible output values. The function's graph is the set of all ordered pairs (x, y), where x is the input and y is the output.To get an output of 5 from the function, the second point must be at a distance of 5 units above the x-axis. This implies that the y-value of the second point is 5. The x-value of the second point is arbitrary, and it can be any value. The point (0,5) is an example of a point that is 5 units above the x-axis.

To know more about function refer here:

https://brainly.com/question/28193995

#SPJ11

The factorize expression of 25x²-4x²-9 is 3(7x²-3).

Factorization is a process to simplify the expression by finding the factors of that expression.

And to find the same expression from factors, you have to reverse the process.

We have the quadratic function,

25x²-4x²-9.

To factorize the function:

First, combine similar terms,

25x²-4x²-9,

= 21x²-9.

Now, factor out the common factor.

That means,

3(7x²-3).

Therefore, the required function is 3(7x²-3).

To learn more about the factorization;

https://brainly.com/question/29474540

#SPJ1

Answer:

the 4th one is the answer

Step-by-step explanation:

We can conceptually isolate the strength of the evidence from the prior probability of the theory when we make observations first or form our hypotheses first. Correct option is C.

The concept of isolating the strength of evidence from the prior probability of the theory is known as Bayesian inference, which involves updating our prior beliefs about a theory or hypothesis based on the observed evidence.

This process can be done whenever we have some initial prior belief about the theory or hypothesis and then collect new evidence to test it.

In Bayesian inference, the strength of evidence is measured by the likelihood of the observed data given the theory or hypothesis, and the prior probability is the initial belief or probability assigned to the theory or hypothesis before the evidence is considered.

By combining these two sources of information, we can calculate a posterior probability or updated probability of the theory or hypothesis given the observed evidence.

Therefore, the answer is c) whether we make observations first or form our hypotheses first. The order in which we collect the evidence or form hypotheses does not affect our ability to conceptually isolate the strength of the evidence from the prior probability of the theory, as long as we use Bayesian inference to update our beliefs.

To learn more about probability click on,

https://brainly.com/question/29360792

#SPJ4

Answer:

#11 is correct

#12 is correct

Step-by-step explanation:

Answer:

The ratios in their simplest form are:

A 25:24

B 19:24

C 23:24

D 11:16

Step-by-step explanation:

The ratios are in their simplest form are the ratios that cannot be simplified further.

We will check all the ratios one by one

A 25:24

Cannot be further simplified so it is in the simplest form

B 19:24

Cannot be simplified further.

C 23:24

Cannot be simplified further

D 11:16

Cannot be simplified further

E 27:18

\(27:18\\3:2\)

Further simplified, so it was not in simplest form.

Hence,

The ratios in their simplest form are:

A 25:24

B 19:24

C 23:24

D 11:16

If they give up 20 yards on the opening play, they're out. The ball is on the 30-yard line.

The starting line is the 50-yard line.

The new yard line following the first play Equals (The yard line following the first play) - (The number of yards lost)

As the football team lost 20 yards after the first play.

After the second play, the new yard line is 50 - 20 = 30 yards.

After the second play, the new yard line is 30.

The ball was on the 30-yard line at the end of the second play.

Read more about measurement and scaling at

https://brainly.com/question/7869611?referrer=searchResults

#SPJ1

Answer:

-1

Step-by-step explanation:

This is the slope because x is the slope, and if there is no number in front of x then x is 1. There is also a negative in front of x which means the answer is -1.  

The slope of the equation y = -x + 7 equals -1.

The absolute error is 2 ounces, and the relative error is approximately 11.76%.

The absolute error is the difference between the claimed weight and the true weight of the steak, which is:

Absolute error = |15 - 17| = 2 ounces

The relative error is the absolute error divided by the true weight of the steak, which is:

Relative error = (2/17) x 100% = 11.76%

So, the absolute error of the claimed weight is 2 ounces, and the relative error is 11.76%.

To find the absolute error, you'll need to subtract the true value (17 ounces) from the claimed value (15 ounces):

Absolute error = |True value - Claimed value| = |17 - 15| = 2 ounces

Now, to find the relative error, you'll divide the absolute error by the true value, and then multiply by 100 to get a percentage:

Relative error = (Absolute error / True value) x 100 = (2 / 17) x 100 ≈ 11.76%

So, the absolute error is 2 ounces, and the relative error is approximately 11.76%.

Learn more about absolute error at: brainly.com/question/30759250

#SPJ11

Answer:

2

Step-by-step explanation:

Not one number adds up to 7. So, 6 + 1 = 7, and 4 + 3 = 7, and 5 + 2 = 7.

45 billion Korean Won is equal to 45 million US Dollars.

The formula for  (USD) is USD = KRW / 1000. To calculate 45 billion won in USD, we must first convert KRW to USD. 45 billion KRW is equal to 45,000,000,000 KRW. Using the formula above, we can calculate the amount of USD:

USD = 45,000,000,000 KRW / 1000

USD = 45,000,000 USD

Therefore, 45 billion won is equal to 45 million US Dollars.

To better understand this conversion, it is important to remember that one US Dollar is equal to 1000 Korean Won. As an example, if you have 10,000 Korean Won, you can convert that to USD by dividing 10,000 by 1000, which equals 10 USD. The same concept applies when converting larger numbers. To convert 45 billion KRW to USD, we must divide 45,000,000,000 by 1000, which equals 45,000,000 USD.

In conclusion, 45 billion Korean Won is equal to 45 million US Dollars.

Learn more about conversion here:

https://brainly.com/question/28770698

#SPJ4

The value of\(e^3\) is approximately 20.09, so x ≈ 20.09 - 1 = 19.09. Therefore, the correct option is a) 19.09.

Given, ln(x + 1) = 3

To solve for x, we need to follow the following steps:

Step 1: Express the given logarithmic equation as an exponential equation, using the definition of the natural logarithm.The natural logarithm is defined as follows:ln a = b\(=> e^b = a\)

So, we can write the given logarithmic equation as e^3 = x + 1.

Step 2: Simplify and solve for x

Subtracting 1 from both sides, we get:x = \(e^3\) - 1

The value of e^3 is approximately 20.09. So,x ≈ 20.09 - 1 = 19.09Therefore, the correct option is a) 19.09.

To solve the given logarithmic equation ln(x + 1) = 3, first express it as an exponential equation using the definition of natural logarithm. The natural logarithm states that if ln a = b, then\(e^b\)= a. S

o, using this definition, the given logarithmic equation can be written as e^3 = x + 1. By subtracting 1 from both sides, we can solve for x.

To know more about value visit:

brainly.com/question/32584187

#SPJ11

Answer:

\(p = 25(3)^n\)

Step-by-step explanation:

Given

Round 0 1 2 3

Points 25 75 225 675

Required

Determine the equation

Let n = rounds and p = points.

So, we have:

\((n_1,p_1) = (0,25)\)

\((n_2,p_2) = (1,75)\)

\((n_2,p_2) = (3,225)\)

The above shows a geometric progression.

So, we solve using

\(p = ab^n\)

In \((n_1,p_1) = (0,25)\)

n = 0 and p = 25

Substitute these values in \(p = ab^n\)

\(25 = ab^0\)

\(25 = a*1\)

\(25 = a\)

\(a = 25\)

In \((n_2,p_2) = (1,75)\)

n = 1 and p = 75

Substitute these values in \(p = ab^n\)

\(75 = ab^1\)

\(75 = ab\)

Substitute 25 for a

\(75 = 25*b\)

Make b the subject

\(b = \frac{75}{25}\)

\(b = 3\)

So, we have:

\(a = 25\) and \(b = 3\)

The equation \(p = ab^n\) becomes

\(p = 25(3)^n\)

     Equation representing the number of points 'P' in 'n' games will be \(P=25(3)^{n}\).

       There is a common ratio of 'r' in each successive term to the

       previous term.

       Therefore, it's a geometric sequence.

       \(T_n=ar^{n-1}\) (For n ≥ 1)

       Here, \(a=\) First term

       \(r=\) Common ratio

       \(n=\) nth term

Given in the table,

        \(r=\frac{75}{25}=3\)

Explicit formula of the sequence will be,

\(P=25(3)^{n}\) [For n ≥ 0]

       Therefore, equation representing the number of points 'P' in 'n' games will be \(P=25(3)^{n}\).

Learn more about the geometric sequence here,

https://brainly.com/question/11385300?referrer=searchResults

Answer:

bahahahhahahahahahah hello

True. A confidence interval is a range of values constructed from a sample that is likely to contain the true value of a population parameter. The level of confidence associated with a confidence interval indicates the probability that the interval contains the true parameter.

In the case of a 98% confidence interval, it means that if we were to repeatedly take random samples from the population and construct confidence intervals using the same method, approximately 98% of these intervals would capture the true parameter. This statement is based on the properties of statistical inference and the concept of sampling variability.

When constructing a confidence interval, we use a certain level of confidence, often denoted as (1 - α), where α represents the significance level or the probability of making a Type I error. In this case, a 98% confidence level corresponds to a significance level of 0.02.

It is important to note that while a 98% confidence interval provides a high level of confidence in capturing the true parameter, it does not guarantee that a specific interval constructed from a single sample will contain the true value. Each individual interval may or may not include the parameter, but over a large number of intervals, approximately 98% of them will be expected to contain the true value.

To learn more about confidence interval, click here: brainly.com/question/2141785

#SPJ11

According to the information provided, it can be inferred that the number of locals that attended the inauguration of the new museum was 125 locals.

To calculate the ratio of the situation described, we must perform the following operation taking into account the data we have:

\(\frac{Tourist}{Locals} = \frac{4}{5}\)

\(\frac{100}{locals} = \frac{4}{5}\)

\(\frac{100 * 5}{4} = 125\)

According to the above, it can be inferred that there are 125 locals at the opening of the new museum.

Note: This question is incomplete because the options are missing. Here are the options:

A. 125 locals.

B. 25 locals.

c. 134 locals.

D. 80 locals.

Learn more about ratio in: https://brainly.com/question/13419413

#SPJ4

Answer:

Yes, there is a proportional relationship.

Step-by-step explanation:

I can't put a graph in here unfortunately.

The given table is not a probability distribution because the sum of probabilities is not equal to 1. Hence, the answer is no.

A probability distribution refers to the distribution of probabilities of all possible outcomes of an event. In other words, it is the set of all probabilities of an event.

In a probability distribution, the probability of each event is greater than or equal to zero, and the sum of probabilities of all events is equal to one. That is, P (A1) + P (A2) + ... + P (An) = 1, where A1, A2, …, An are all the possible events of an experiment.

The given table is not a probability distribution because the sum of probabilities is not equal to 1. Here, P(a) = 0.1723 + 0.3013 + 0.2466 + 0.0493 + 0.2305 = 1. This condition is satisfied. But it is not a probability distribution because each probability must be greater than or equal to zero. Here, the probability of event 4 is 0.0493 which is less than zero.

Hence, the answer is no.

To know more about probability distribution, refer here

https://brainly.com/question/14210034#

#SPJ11

Answer:

4x-36

Step-by-step explanation:

Put together like terms

X plus 3x = 4x

Answer:

option A B C and F are correct by the CPCT theorem..

Answer:

ok I think its B ok i might be wrong it might B or D

Step-by-step explanation:

Answer:

35 dollars

Step-by-step explanation:333-18=315 dollars

315/9=35 dollars for each book

The mass of a 2018 Olympic gold medal in hectograms is 58.6 hg.

First, we need to know the mass of the Olympic gold medal in grams. According to the question, the mass of an Olympic gold medal is 586 grams.

To convert grams to hectograms, we need to divide the mass in grams by 100. This is because there are 100 grams in 1 hectogram.

To do the division, we can use a calculator. Dividing 586 by 100 gives us 5.86.

The answer we get is in hectograms, so we can write it as 5.86 hg. This means that the mass of a 2018 Olympic gold medal is 5.86 hectograms.

To know more about hectograms, refer here:

https://brainly.com/question/1058206#

#SPJ11

There are 24 permutations of the letters in the word 'PODS' if all the letters are used without repetition.

To find the number of permutations of the letters in the word 'PODS' without repetition, we need to find the number of ways we can arrange the four letters.

We can use the formula for permutations of n objects taken r at a time, which is nPr = n! / (n-r)!, where n is the total number of objects and r is the number of objects we are taking.

In this case, n = 4 (since there are four letters in the word 'PODS') and r = 4 (since we are using all four letters). Substituting these values into the formula gives:

4P4 = 4! / (4-4)! = 4! / 0! = 24 / 1 = 24

Therefore, there are 24 permutations of the letters in the word.

To know more about permutations  click here

brainly.com/question/1216161

#SPJ11