Question

According to the U.S. Department of Labor, the average American household spends $639 on household supplies per year. Suppose annual expenditures on household supplies per household are uniformly distributed between the values of $253 and $1,025.What are the standard deviation and the height of this distribution? What proportion of households spends more than $850 per year on household supplies? What proportion of households spends more than $1,200 per year on household supplies? What proportion of households spends between $350 and $480 on household supplies?



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  • CreatedFebruary 19, 2015
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