Mathematics, 07.03.2020 05:43 sebasm4842
The lifetime, in years, of a certain type of pump is a random variable with probability density function:
f(x)= {64/(x+2)^5 x>0
0 x<=0}
a. What is the probability that a pump lasts more than two years?
b. What is the probability that a pump lasts between two and four years?
c. Find the mean lifetime.
d. Find the variance of the lifetimes.
e. Find the cumulative distribution function of the lifetime.
f. Find the median lifetime.
g. Find the 60th percentile of lifetimes.
Answers: 1
Mathematics, 20.06.2019 18:02
Convert 16 yards to feet use the conversion rate 3 feet = 1 yard
Answers: 2
Mathematics, 21.06.2019 22:30
Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40
Answers: 2
Mathematics, 21.06.2019 23:30
What are the measures of angles a, b, and c? show your work and explain your answers. 25 points
Answers: 1
Mathematics, 22.06.2019 00:20
Convert the number to decimal form. 12) 312five a) 82 b) 30 c) 410 d) 1560 13) 156eight a) 880 b) 96 c) 164 d) 110 14) 6715eight a) 53,720 b) 3533 c) 117 d) 152
Answers: 1
The lifetime, in years, of a certain type of pump is a random variable with probability density func...
Mathematics, 22.07.2019 22:10
Biology, 22.07.2019 22:10
Mathematics, 22.07.2019 22:10
Mathematics, 22.07.2019 22:10