The average test scores in a physics class is normally distributed with a standard deviation of 5.4. 50 scores with a sample mea

Question

2 years ago

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The average test scores in a physics class is normally distributed with a standard deviation of 5.4. 50 scores with a sample mea

n of 79 were selected at random.
(a) Find a 95% confidence interval for the population mean test score.

(b) What is the value of the margin of error?

Mathematics

1 answer:

andrey2020 [161] · Answer 1 · 2022-10-21T14:03:07+03:00

andrey2020 [161]2 years ago

6 0

Answer:

to my knowledge

this question is gigantic