(Choose 1 answer)
(See picture)
A. 0.89
B. 0.51
C. 0.68
D. 0.76
E. None of the other choices is correct
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 0 < x < 1,,1 < x < 2,,elsewhere.f(x) = 2-x 0
Find the probability that over a period of one year, a family runs their vacuum cleaner less than 120 hours
Exit 16