If a distribution of test scores is normal with a mean of 78 and a standard deviation of 11, what percentage of the area lies a. below 60? _____ b. below 70? _____ c. below 80? _____ d. below 90?...


If a distribution of test scores is normal with a mean of 78 and a standard deviation of 11, what percentage of the area lies


a. below 60? _____


b. below 70? _____


c. below 80? _____


d. below 90? _____


e. between 60 and 65? _____


 f. between 65 and 79? _____


 g. between 70 and 95? _____


h. between 80 and 90? _____


i. above 99? _____


 j. above 89? _____


 k. above 75? _____


 l. above 65? _____



May 05, 2022
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