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Mathematics, 24.02.2020 23:21 ZoomZoom44
The total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a period of one year is a random variable X having the density function given in Exercise 4.13 on page 117. Find the variance of X.
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The total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a period...
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