Question

In: Statistics and Probability

scores on the test are normally distributed with a mean of 76.4 and a standard deviation...

scores on the test are normally distributed with a mean of 76.4 and a standard deviation of 8.9. round answer nearest whole number.
A. top 90% to 100% of scores
b. scores below the top 90 % and above top 70%
c. scores equal or below 70%and above the bottom 30%
d. scores equal or below 30% snd above bottom 10%

Solutions

Expert Solution

(A) 88

(B) 81 to 87

(C) 73 to 80

(D) 65 to 72

orchestra answered 2 years ago
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