2. An article suggests a normal distribution with mean 130.8 oz and standard deviation 3.05 oz for the actual contents of jars of a certain type. The stated contents was 133 oz. a. What is the probability that a single jar contains less than the stated contents? b. Among eight randomly selected jars, what is the probability that the mean contents will be more than the stated contents? c. If twelve randomly selected jars are considered, what percent of mean content amounts will be less than 132.4 oz?

2. An article suggests a normal distribution with mean 130.8 oz and standard deviation 3.05 oz for the actual contents of jars of a certain type. The stated contents was 133 oz. a. What is the probability that a single jar contains less than the stated contents? b. Among eight randomly selected jars, what is the probability that the mean contents will be more than the stated contents? c. If twelve randomly selected jars are considered, what percent of mean content amounts will be less than 132.4 oz?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

2. An article suggests a normal distribution with mean 130.8 oz and standard deviation 3.05 oz for
the actual contents of jars of a certain type. The stated contents was 133 oz.
a. What is the probability that a single jar contains less than the stated contents?
b. Among eight randomly selected jars, what is the probability that the mean contents will
be more than the stated contents?
c. If twelve randomly selected jars are considered, what percent of mean content amounts
will be less than 132.4 oz?

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