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11/17/20

The data below are the passing scores on an Algebra exam in one class. For this question, round all answers to the nearesttenth, as needed

The data below are the passing scores on an Algebra exam in one class. For this question, round all answers to the nearesttenth, as... more

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Probability Math

11/17/20

Suppose the amount of a popular sport drink in bottles leaving the filling machine has a normal distribution with mean 101.5 milliliters (mL)

8. Suppose the amount of a popular sport drink in bottles leaving the filling machine has a normal distribution with mean 101.5 milliliters (mL) and standard deviation 1.6. If 36 bottles are... more

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Probability

11/15/20

Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a club and the second card is red? (Round your answer to three decimal places.)

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Probability

11/15/20

A pair of dice is tossed. Find the probability that the sum on the 2 dice is 8, given that doubles are rolled. (Enter your probability as a fraction.)

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Probability

11/15/20

Compute the conditional probabilities P(A|B) and P(B|A). (Round your answers to three decimal places.) P(A) = 0.7, P(B) = 0.4, P(A and B) = 0.25

P(A/B) = P(B/A) =

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Probability

11/15/20

A bag contains 39 U.S. quarters and eleven Canadian quarters. If four quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter?

Answer should be rounded to one decimal place.

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Probability

11/15/20

If a person draws five cards from a standard deck (without replacing them), what is the probability that at least one of the cards is a face card? (Round your answer to one decimal place.)

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Probability

11/15/20

Suppose you ask a friend to randomly choose an integer between 1 and 10, inclusive. What is the probability that the number will be more than 3 or odd? (Enter your probability as a fraction.)

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Probability

11/15/20

Does the compound event consist of two mutually exclusive events? Two dice are rolled. The sum of the dice is a 5 or a 6. Compute the probability of the compound event occurring.

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Probability

11/15/20

Evaluate the expression. C(8, 6) · C(7, 5) /C(9, 5)

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Probability

11/15/20

A professor gives his students 9 essay questions to prepare for an exam. Only 4 of the questions will actually appear on the exam. How many different exams are possible?

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Probability

11/15/20

Probability- Calculus

Find the probability that when two 8 sided dice are rolled, the sum of the numbers on the top faces is greater than 13.

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Probability Statistic

11/14/20

Find probability

The faculty of a small eastern university is considering adding grade point average within a student's major to each transcript. You have been asked to sample students to determine student... more

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Probability

11/14/20

Probabilty question nunber 4

A psychology class has 28 males and 52 females. If the professor selects names from the class list using random sampling.a. What is the probability that the first student selected will be a... more

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Probability

11/13/20

Probability of testing samples

For 4 and 5, use the following information: According to the Florida Department of Health, the positive rate for coronavirus tests on Wednesday was 7.75%. Suppose 435 people in... more

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Probability Statistics

11/12/20

A box contains ten numbered balls – one ball with the number 1, two balls with the number 2, three balls with the number 3 and four balls with the number 4. You will randomly select two balls from... more

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Probability Statistics

11/12/20

Can someone help me work through this probability problem?? please and thank you

Can someone walk me through how to solve this problem? I keep getting it incorrect and I don't understand what I'm doing wrong (please show work)."The time (in minutes) until the next bus departs a... more

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Probability

11/12/20

probability in biostatistics

Drug A has probability of 0.67 of curing COVID-19 whenever it is administered. If drug A is administered 4 times, find the probability that drug A will cure COVID-19 when administered; a) Exactly 2... more

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Probability Math

11/12/20

Math Probability

If a bag contains 4 twix, 5 snickers and 8 milky way...Select one candy bar, observe the outcome, replace it and select another one. Calculate the probability of choosing two twix??

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Probability

11/12/20

Find the probability of drawing a Diamond card on the first draw, replacing it and drawing a face card on the second draw.

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Probability Math Statistics

11/11/20

Math Question, need help

Out of 500 people sampled, 135 preferred Candidate A. Based on this, estimate what proportion of the voting population ( p ) prefers Candidate A. Use a 90% confidence level, and give your... more

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Probability Math Statistics

11/11/20

Express the confidence interval ( 76.1 % , 90.5 % ) in the form of ˆ p ± M E .

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Probability Math Statistics

11/11/20

Statistics Question

A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 6% margin of error at a 99% confidence level, what size of... more

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Probability Math Statistics

11/11/20

I need help on this question

Out of 500 people sampled, 180 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places ... more

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Probability Math Statistics

11/11/20

In a recent poll, 350 people were asked if they liked dogs, and 52% said they did. Find the margin of error of this poll, at the 99% confidence level. Give your answer to three decimals

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The data below are the passing scores on an Algebra exam in one class. For this question, round all answers to the nearesttenth, as needed

Suppose the amount of a popular sport drink in bottles leaving the filling machine has a normal distribution with mean 101.5 milliliters (mL)

Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a club and the second card is red? (Round your answer to three decimal places.)

A pair of dice is tossed. Find the probability that the sum on the 2 dice is 8, given that doubles are rolled. (Enter your probability as a fraction.)

Compute the conditional probabilities P(A|B) and P(B|A). (Round your answers to three decimal places.) P(A) = 0.7, P(B) = 0.4, P(A and B) = 0.25

A bag contains 39 U.S. quarters and eleven Canadian quarters. If four quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter?

If a person draws five cards from a standard deck (without replacing them), what is the probability that at least one of the cards is a face card? (Round your answer to one decimal place.)

Suppose you ask a friend to randomly choose an integer between 1 and 10, inclusive. What is the probability that the number will be more than 3 or odd? (Enter your probability as a fraction.)

Does the compound event consist of two mutually exclusive events? Two dice are rolled. The sum of the dice is a 5 or a 6. Compute the probability of the compound event occurring.

Evaluate the expression. C(8, 6) · C(7, 5) /C(9, 5)

A professor gives his students 9 essay questions to prepare for an exam. Only 4 of the questions will actually appear on the exam. How many different exams are possible?

Probability- Calculus

Find probability

Probabilty question nunber 4

Probability of testing samples

Statistics and Probability

Can someone help me work through this probability problem?? please and thank you

probability in biostatistics

Math Probability

Find the probability of drawing a Diamond card on the first draw, replacing it and drawing a face card on the second draw.

Math Question, need help

Express the confidence interval ( 76.1 % , 90.5 % ) in the form of ˆ p ± M E .

Statistics Question

I need help on this question

In a recent poll, 350 people were asked if they liked dogs, and 52% said they did. Find the margin of error of this poll, at the 99% confidence level. Give your answer to three decimals

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