Mathematics, 26.01.2021 17:50 kylie7357
On a highway, a random sample is taken of the speed, in mph, of 50 cars. A mean speed of 61.8 mph is calculated with a margin of error of +2.3 for a 95% confidence interval What is the interval estimate of the population mean?
A) 58.7 <h<64.9
B)59.5<h<61.8
C)59.5<h<64.1
D)61.8<h<64.1
Answers: 3
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On a highway, a random sample is taken of the speed, in mph, of 50 cars. A mean speed of 61.8 mph is...
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