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

Question

3 years ago

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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 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

Mathematics

1 answer:

stealth61 [152] · Answer 1 · 2022-05-28T08:56:39+03:00

stealth61 [152]3 years ago

5 0

I am extremely bad at math and I am trying to help other to ask a question, but I personally think C