Concept explainers
The correct answer from the options that the standard deviation of the sampling distribution is about (a) 0.0006, (b) 0.033, (c) 0.017, (d) 1, (e) none of these.
Answer to Problem 44E
The correct answer is (c).
Explanation of Solution
Given information:
Size of the random sample,
Proportion of Division I athletes who think that these drugs are a problem
Formula used:
The standard deviation of the sampling distribution of
Consider that proportion of Division I athletes who think that these drugs are a problem be p and the
Rewrite it as:
And,
Know that the standard deviation of the sampling distribution of
Substitute 0.30 for pand 750 for nin the above formula.
Hence, the correct answer is (c).
Chapter 7 Solutions
The Practice of Statistics for AP - 4th Edition
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