Multiple Choice
Bo Derek calculates that she needs a sample size of 200, given the estimated mean, accuracy variance nd required Z-score.However, she learns that the variance is actually one-half of what she originally believed.Her required sample size will now be
A) 100
B) 800
C) 400
D) 50
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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