brooklyn4414 brooklyn4414

20-04-2022
SAT

contestada

A survey of 225 students showed the mean number of hours spent studying per week was 20.6 and the standard deviation was 2.7. assuming a 90% confidence level, the margin of error is approximately

Respuesta :

ilianarodarte36 ilianarodarte36

25-04-2022

Answer:

Assuming a 90% confidence level, the margin of error is approximately

0.3

Which of the following gives the confidence interval?

between 20.3 and 20.9

Explanation:

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