Multiple Choice
Random samples of size 400 are taken from an infinite population whose population proportion is 0.2. The mean and standard deviation of the sample proportion are
A) 0.2 and .04.
B) 0.2 and 0.02.
C) 20 and .04.
D) 20 and 0.02.
Correct Answer:
Verified
Correct Answer:
Verified
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