Question

Asked Oct 13, 2019

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SAT Math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114.

a) What percentage of SAT scores is between 401 and 629

b) What percentage of SAT score is less than 401 or greater than 629?

Step 1

a.

The percentage of SAT scores is between 401 and 629 is **0.6826** and it is calculated below:

From the given information, let us define the rand...

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