tcaniff45 tcaniff45

12-10-2022
Mathematics

Answered

On a certain test, the mean is 105 with a standard deviation of 20. The results come very close to fitting a normal curve. Suppose this test is
given to a very large group of people. Use the empirical rule to find the percentage of people whose scores are between 85 and 125.
What is the percentage of people whose test scores are between 85 and 125?
% (Type an integer or a decimal.)

Answer :

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