☑Kizspy.me
(Choose 1 answer)
(See picture)
☐ A
A. None of the other choices is correct
☐ C
B. 0.41
C. 0.51
☐ E
D. 0.61
A student doing a summer internship in a com-
pany was asked to model the lifetime of cer-
tain equipment that the company makes. After
a series of tests, the student proposed that the
lifetime of the equipment can be modeled by
a random variable X that has the probability
density function
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Next
E. 0.31
FUO.sh
sh the exam.
0
,x<0
f(x) =
Te-r/10
100
What is the probability that the lifetime of the
equipment exceeds 20?
