United Medicine, Inc., claims that a drug, Viro, significantly relieves the symptoms of a certain viral infection

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United Medicine, Inc., claims that a drug, Viro, significantly relieves the symptoms of a certain viral infection for 80 percent of all patients. Suppose that this drug is given to eight randomly selected patients who have been diagnosed with the viral infection.

a. Let x equal the number of the eight randomly selected patients whose symptoms are significantly relieved. What distribution describes the random variable x? Explain.

b. Assuming that the company’s claim is correct, find p (x ≤ 3).

c. Suppose that of the eight randomly selected patients, three have had their symptoms significantly relieved by Viro. Based on the probability in part b, would you believe the claim of United Medicine, Inc.? Explain.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For  answer-question

Essentials Of Business Statistics

ISBN: 9780078020537

5th Edition

Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or

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