Question
An SRS of size 100 is taken from a population having proportion 0.8 of successes. An independent SRS of size 400 is taken from a
An SRS of size 100 is taken from a population having proportion 0.8 of successes. An independent SRS of size 400 is taken from a population having proportion 0.5 of successes. The sampling distribution for the difference in the sample proportions, phat1 - phat2, has standard deviation
A) .002
B) .40
C) .047
D) 1.3
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Essential Finance Guide
Authors: DK Publishing
1st Edition
078948157X, 978-0789481573
