Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 110 minutes and a standard deviation of 20 minutes. What proportion of 1040R tax forms will be completed in at least 80 minutes? Round your answer to at least four decimal places.
Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 110 minutes and a standard deviation of 20 minutes. What proportion of 1040R tax forms will be completed in at least 80 minutes? Round your answer to at least four decimal places.
MATLAB: An Introduction with Applications
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![**Question**
Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 110 minutes and a standard deviation of 20 minutes. What proportion of 1040R tax forms will be completed in at least 80 minutes? Round your answer to at least four decimal places.
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Transcribed Image Text:**Question**
Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 110 minutes and a standard deviation of 20 minutes. What proportion of 1040R tax forms will be completed in at least 80 minutes? Round your answer to at least four decimal places.
**Instructions**
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