AP Statisticsmediummcq1 pt
H0: p = 0.5 and p-hat = 0.6 with n = 400. The z statistic is
A.4
B.0.1
C.2
D.8
Explanation
Core Concept
Standard error is 0.025, and 0.1 divided by 0.025 is 4.
Correct Answer
A4
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