the upper arm length of males over 20 years old in the united statesis approximately normal with mean 39.1 centimeters and standard deviation 2.3cm.use the 68-95-99.7 rule to answer the following queestions  a-what range of lengths covers the middle 99.7 of the distribution? b-what percent of the men over 20 have upper arm lengths greater than 41.4cm?

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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.