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Statistics / Elementary Statistics 12 / Chapter 5.3 / Problem 15BSC

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

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Using the Binomial Probability Table. In Exercises, assume

Chapter 5, Problem 15BSC

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QUESTION:

Using the Binomial Probability Table. In Exercises 15–20, assume that random guesses are made for five multiple-choice questions on an ACT test, so that there are \(n=5\) trials, each with probability of success (correct) given by \(p=0.20\). Use the Binomial Probability table(Table A1) to find the indicated probability for the number of correct answers.

Find the probability that the number x of correct answers is exactly 3.

Equation Transcription:

$n=5$

$p=0.20$

Text Transcription:

n=5

p=0.20

Questions & Answers

QUESTION:

Using the Binomial Probability Table. In Exercises 15–20, assume that random guesses are made for five multiple-choice questions on an ACT test, so that there are \(n=5\) trials, each with probability of success (correct) given by \(p=0.20\). Use the Binomial Probability table(Table A1) to find the indicated probability for the number of correct answers.

Find the probability that the number x of correct answers is exactly 3.

Equation Transcription:

$n=5$

$p=0.20$

Text Transcription:

n=5

p=0.20

ANSWER:

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