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Sixty-four 64 patients indicated that they were

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Q1. If a population distribution is known to be normal, then it follows that:

A. The sample mean must equal the population mean

B. The sample mean must equal the population mean for large samples

C. The sample standard deviation must equal the population standard deviation

D. All of the above

E. None of the above

Q2. According to a hospital administrator, historical records over the past 10 years have shown that 20% of the major surgery patients are dissatisfied with after-surgery care in the hospital. A scientific poll based on 400 hospital patients has just been conducted. Sixty-four (64) patients indicated that they were dissatisfied with the after surgery care. What are the mean and the standard deviation of the sampling distribution of p?

A. 16% and .034%

B. 20% and 1.83%

C. 20% and 2%

D. 20% and .034%

E. 20% and 16%

Reference no: EM13576849

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