A graduate student wanted to estimate the average time spent studying among graduate students at her school. She randomly sampled graduate students from her school and obtained a 99% confidence interval of (17.3,22.5) hours/week. In the context of the problem, which of the following interpretations is correct? Choose the correct answer below. A.Approximately 99% of all random samples of graduate students from this school will give a mean number of hours studied per week between 17.3 and 22.5. B.We are 99% sure that the average amount of time spent studying among graduate students at this student's school is between 17.3 and 22.5 hours per week. C.At this student's school 99% of all graduate students study between 17.3 and 22.5 hours per week, on average. D.Graduate students at this student's school study between 17.3 and 22.5 hours per week 99% of all weeks during the year. E.There is a 99% chance that the average amount of time spent studying for all graduate students at this student's school is between 17.3 and 22.5 hours per week.

We have given that 99% confidence interval ( 17.3 , 22.5)

Answered: A graduate student wanted to estimate…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A graduate student wanted to estimate the average time spent studying among graduate students at her school. She randomly sampled graduate students from her school and obtained a 99% confidence interval of (17.3,22.5) hours/week. In the context of the problem, which of the following interpretations is correct?

Choose the correct answer below.

Approximately 99% of all random samples of graduate students from this school will give a mean number of hours studied per week between 17.3 and 22.5.

We are 99% sure that the average amount of time spent studying among graduate students at this student's school is between 17.3 and 22.5 hours per week.

At this student's school 99% of all graduate students study between 17.3 and 22.5 hours per week, on average.

Graduate students at this student's school study between 17.3 and 22.5 hours per week 99% of all weeks during the year.

There is a 99% chance that the average amount of time spent studying for all graduate students at this student's school is between 17.3 and 22.5 hours per week.

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