Mugs are packed into padded crates for shipping. Each crate contains 15 mugs. The mugs are normally distributed with a mean of 450g and a standard deviation of 5g. The weights of the empty crates are also normally distribute with a mean of 150g and a standard deviation of 13g. (a) Calculate the mean and variance for a fullncrate. (b) 90% of the full crates lie below a certain weight, what is that weight? use only maths and DO NOT USE THE EXCEL METHOD
Mugs are packed into padded crates for shipping. Each crate contains 15 mugs. The mugs are normally distributed with a mean of 450g and a standard deviation of 5g. The weights of the empty crates are also normally distribute with a mean of 150g and a standard deviation of 13g. (a) Calculate the mean and variance for a fullncrate. (b) 90% of the full crates lie below a certain weight, what is that weight? use only maths and DO NOT USE THE EXCEL METHOD
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Mugs are packed into padded crates for shipping. Each crate contains 15 mugs. The mugs are normally distributed with a mean of 450g and a standard deviation of 5g. The weights of the empty crates are also
(a) Calculate the mean and variance for a fullncrate.
(b) 90% of the full crates lie below a certain
weight, what is that weight?
use only maths and DO NOT USE THE EXCEL METHOD
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