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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Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
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Please include an explantation!
Please don't answer just for points someone did that with my last p...
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