Kizspy Question: 15
(Choose 1 answer)
(See picture)
A. 0.478
B. 0.915
C. 0.529
D. 0.375
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
X
f(x) =
2
,0 < x < 1,
x,1x < 2,
0
, elsewhere.
Find the probability that over a period of one
year, a family runs their vacuum cleaner be-
tween 50 and 100 hours.
