Multiple Choice
Assuming that all necessary conditions are met, what needs to be changed in the formula so that we can use it to construct a (1 - a ) confidence interval estimate for the population proportion p ?
A) should be replaced by p .
B) t a should be replaced by z a .
C) t a should be replaced by t a \ 2.
D) t a should be replaced by z a \ 2.
Correct Answer:

Verified
Correct Answer:
Verified
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