Multiple Choice
If the estimated population proportion is .30 based on previous studies, and the acceptable error is plus or minus 5 percent, and the z-value for a 95 percent level of confidence is 1.96, the needed sample size is approximately:
A) 323
B) 187
C) 36
D) 212
E) 554
Correct Answer:
Verified
Correct Answer:
Verified
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