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 − α) confidence interval estimate for the population proportion p?
A) should be replaced by p.
B) tα should be replaced by zα.
C) tα should be replaced by tα / 2.
D) tα should be replaced by zα / 2.
Correct Answer:

Verified
Correct Answer:
Verified
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