In 2012, 79% of Southwest Airlines flights arrived at their destinations on time. Suppose a random sample

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In 2012, 79% of Southwest Airlines flights arrived at their destinations on time. Suppose a random sample of 12 Southwest Airlines flights was selected.

a. What is the probability that all 12 flights were on time?

b. What is the probability that more than nine flights were on time?

c. What is the probability that seven or fewer flights were on time?

d. What are the mean and standard deviation for this distribution?

e. Construct a histogram for this distribution.

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Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

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Question Posted: Jul 17, 2015 03:11 AM

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In 2012, 79% of Southwest Airlines flights arrived at their destinations on time. Suppose a random sample

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Business Statistics

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