SOLUTION: For a normal distribution, find the percentage of data that are (a) Within 1.72 standard deviations of the mean. (b) Between \mu - 3 \sigma and \mu + 3.5 \sigma (c) Mor

Algebra ->  Probability-and-statistics -> SOLUTION: For a normal distribution, find the percentage of data that are (a) Within 1.72 standard deviations of the mean. (b) Between \mu - 3 \sigma and \mu + 3.5 \sigma (c) Mor      Log On


   

Question 1204355: For a normal distribution, find the percentage of data that are
(a) Within 1.72 standard deviations of the mean.
(b) Between \mu - 3 \sigma and \mu + 3.5 \sigma
(c) More than 2 standard deviations away from the mean

Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
the clcculator at https://davidmlane.com/hyperstat/z_table.html can help you find the answer to these questions.

here are the results.







i confirmed through the use of the ti-84 plus calculator that these are accurate to the rounded number of decimal digits.
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the value of the area in the results is the probability.