The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.3 ounces and standard deviation 0.13 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 8.19 and 8.41 ounces? ANSWER: 0.8558

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...
icon
Related questions
Question

i type 0.8558 but i am getting a wrong answer

The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.3
ounces and standard deviation 0.13 ounces.
(a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these
chocolate bars is between 8.19 and 8.41 ounces?
ANSWER: 0.8558
Transcribed Image Text:The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.3 ounces and standard deviation 0.13 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 8.19 and 8.41 ounces? ANSWER: 0.8558
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer