A sample of 81 items is taken from a population with a standard deviation of45 kilograms. The sample mean is 112 kilograms. What weights are includedin the 99.7% confidence interval?O A. 102 kilograms to 122 kilogramsO B. 97 kilograms to 127 kilogramsO C. 107 kilograms to 117 kilogramsO D. 92 kilograms to 132 kilograms

Given : Sample Size , n= 81 Sample Mean , x̄ =112 population standard deviation , σ =45

Answered: A sample of 81 items is taken from a…

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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