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QUESTION 9 Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 90 minutes and a standard
QUESTION 9 Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 90 minutes and a standard deviation of 10 minutes. Find the probability that one randomly selected 1040R tax form will be completed in between 75 and 93 minutes. O 0.5511 0.4491 O 0.1840 0.6710 QUESTION 10
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Real Mathematical Analysis
Authors: Charles C Pugh
2nd Edition
3319177710, 9783319177717
