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Suppose that the time to complete a test is bell-shaped distributed with mean 45 minutes and standard deviation 15 minutes. if the test period is 75 minutes long, what proportio…

Suppose that the time to complete a test is bell-shaped distributed with mean 45 minutes and standard deviation 15 minutes. if the test period is 75 minutes long, what proportio…
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Suppose that the time to complete a test is bell-shaped distributed with mean 45 minutes and standard deviation 15 minutes. if the test period is 75 minutes long, what proportion of students will be expected to not be able to finish

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User Walf
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1 Answer

6 votes
75-45/15= 2. 1-p-value of 2 (.9772)= .0228
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User Gurinder
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