- The Total Number Of Hours Measured In Units Of 100 Hours That A Family Runs A Vacuum Cleaner Over A Period Of One Year 1 (41.59 KiB) Viewed 31 times
The total number of hours, measured in units of 100 hours, that a family runs a vacuum cleaner over a period of one year
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The total number of hours, measured in units of 100 hours, that a family runs a vacuum cleaner over a period of one year
The total number of hours, measured in units of 100 hours, that a family runs a vacuum cleaner over a period of one year is a continuous random variable X that has the density function shown below. Find the probability that over a period of one year, a family runs their vacuum cleaner (a) less than 135 hours; (b) between 30 and 100 hours. X, 0<x< 1 f(x) = 2-X, 15x<2 0, elsewhere
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