SOLUTION: A market research survey in which 64 consumers were contacted states that 64 per cent of all consumers of a certain product were motivated by the product’s advertising. Find

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Question 1197817: A market research survey in which 64 consumers were contacted states that
64 per cent of all consumers of a certain product were motivated by the
product’s advertising. Find the confidence limits for the proportion of
consumers motivated by advertising in the population. Construct a confidence interval.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p = .64
Using a 95% confidence level: z = 1.96
n = 64
ME = z%2Asqrt%28%28p%281-p%29%29%2Fn%29
ME = 1.96%2Asqrt%28%28.64%28.36%29%29%2F64%29 = .118
CI = .6 ±.118
CI (.482, .718)