Question
The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 25.36 inches and a standard deviation of 0.25 l inches.
The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 25.36 inches and a standard deviation of 0.25 l inches. A randomly selected sample of 15 is chosen.
1- Is the variable of interest continuous or discrete?
2-What is the probability that the average length of a sheet is more than 25.44 inches?
There is a [what percent chance] the average length of a selected aluminum sheet is more than 25.44 inches.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
1 The variable of interest which is the length of aluminumcoated steel sheets is continuous A contin...
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Step: 2
Step: 3
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Introduction To Statistical Investigations
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
2nd Edition
1119683459, 978-1119683452
