The article “Computer Assisted Net Weight Control”(Quality Progress, 1983: 22–25) suggests a normal distributionwith mean 137.2 oz and standard deviation1.6 oz for the actual contents of jars of a certain type. Thestated contents was 135 oz.a. What is the probability that a single jar containsmore than the stated contents?b. Among ten randomly selected jars, what is the probabilitythat at least eight contain more than the statedcontents?c. Assuming that the mean remains at 137.2, to whatvalue would the standard deviation have to be changedso that 95% of all jars contain more than the statedcontents?

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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.