Multiple Choice
A marketing firm is asked to estimate the percentage of existing customers who would purchase a "digital upgrade" to their basic cable TV service. The firm wants 99 percent confidence and an error of ± 5 percent. What is the required sample size (to the next higher integer) ?
A) 664
B) 625
C) 801
D) 957
Correct Answer:
Verified
Correct Answer:
Verified
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