Mathematics, 22.02.2021 22:40, amusgrave9175

Please include an explantation! Please don't answer just for points someone did that with my last post.

A marketing firm wants to estimate the true proportion of people in a city who use a certain brand of mobile phone. They want to produce a 90% confidence interval with a margin of error of at most 0.07. Which of the following is the smallest sample size that will produce the desired interval?

35

94

139

196

339

Answers: 1

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