In estimating the average time spent per week in doing physical exercises, a random sampleof 40 adults is interviewed with mean 4.0 hours and standard deviation 1.0 hour. Construct a95% confidence interval for the mean time spent per week in doing physical exercises for alladults. State your reasons and assumptions needed in your calculation.

We have given that, Sample mean (x̄) = 4.0, standard deviation (s) = 1.0 and sample size (n) = 40…

Answered: In estimating the average time spent…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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