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Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich
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Physicians’ opinions on a career in medicine. Many primary

Chapter 4, Problem 50E

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QUESTION:

Physicians’ opinions on a career in medicine. Many primary care doctors feel overworked and burdened by potential lawsuits. In fact, the Physicians’ Foundation reported that 60% of all general practice physicians in the United States do not recommend medicine as a career (Reuters, Nov. 18, 2008). Let x represent the number of sampled general practice physicians who do not recommend medicine as a career.

a. Explain why x is approximately a binomial random variable.

b. Use the Physicians’ Foundation report to estimate p for the binomial random variable.

c. Consider a random sample of 25 general practice physicians. Use p from part b to find the mean and standard deviation of x, the number who do not recommend medicine as a career.

d. For the sample of part c, find the probability that at least one general practice physician does not recommend medicine as a career.

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QUESTION:

Physicians’ opinions on a career in medicine. Many primary care doctors feel overworked and burdened by potential lawsuits. In fact, the Physicians’ Foundation reported that 60% of all general practice physicians in the United States do not recommend medicine as a career (Reuters, Nov. 18, 2008). Let x represent the number of sampled general practice physicians who do not recommend medicine as a career.

a. Explain why x is approximately a binomial random variable.

b. Use the Physicians’ Foundation report to estimate p for the binomial random variable.

c. Consider a random sample of 25 general practice physicians. Use p from part b to find the mean and standard deviation of x, the number who do not recommend medicine as a career.

d. For the sample of part c, find the probability that at least one general practice physician does not recommend medicine as a career.

ANSWER:

Step 1 of 5

Given information:

- Percentage of all general practice physicians in the United states who do not recommend medicine as a career is 60%.

- Let X represent the number of sampled general practice physicians who do not recommend medicine as a career.

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