The average length of time required to complete a college achievement test was found to equal 75 minutes, with a standard deviation of 15 minutes. When should the test be terminated if you wish to allow sufficient time for 90% of the students to complete the test? (Assume that the time required to complete the test is normally distributed.)
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The Answer of The average length of time required to complete a college achievement test was found to equal 75 minutes, with a standard deviation of 15 minutes. When should the test be terminated if you wish to allow sufficient time for 90% of the students to complete the test? (Assume that the time required to complete the test is normally distributed.)
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The Average Length of Time Required to Complete a College