The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8 ounces and standard deviation 0.19 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with four of these chocolate bars is between 7.9 and 8.2 ounces? ANSWER: (b) For a SRS of
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8 ounces and standard deviation 0.19 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with four of these chocolate bars is between 7.9 and 8.2 ounces? ANSWER: (b) For a SRS of
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with
(a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with four of these chocolate bars is between 7.9 and 8.2 ounces?
ANSWER:
(b) For a SRS of four of these chocolate bars, what is the level L such that there is a 1% chance that the average weight is less than L?
ANSWER:
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