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Math word problems answers free
Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of minutes and a standard deviation of minutes. What proportion of 1040R tax forms will be completed in more than minutes? Round your answer to at least four decimal places.
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You left out the important stuff - what the mean and standard deviation numbers are, and the value you're trying to determine. I suggest you start working this yourself by calculating the z-score for the time you are interested in, then look up the CDF for that z-score.
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