A magazine company is planning to survey customers to determine the proportion who will renew their subscription for the coming year. The magazine wants to estimate the population proportion with 99% confidence and a margin of error equal to 0.08. What sample size isrequired?

Confidence Level Critical Value

80% z=1.28

90% z=1.645

95% z=1.96

99% z=2.575

The required sample size is

nothing

customers.

(Round up to the nearest whole number asneeded.)