Preliminary studies indicate that about 40 of those

Reference no: EM13602002

Television viewers often express doubts about the validity of certain commercials. In an attempt to answer their critics, a large advertiser wants to estimate the true proportion of consumers who believe what is shown in commercials. Preliminary studies indicate that about 40% of those surveyed believe what is shown in commercials. What is the minimum number of consumers that should be sampled by the advertiser to be 99% confident that their estimate will fall within 2% of the true population proportion?

a) 3989

b) 3967

c) 3963

d) 3982

e) 4000

f) None of the above

Reference no: EM13602002

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