Mathematics, 13.12.2019 01:31, zuberskylar

The lifetime in months of a transistor in a certain application is random with probability density function:

f(x) = {0.4e^-0.4x, x> 0 0, x< 0

a. compute the mean lifetime.

b. compute the standard deviation of the lifetimes.

c. compute the cumulative distribution function of the lifetime.

d. compute the probability that the lifetime will be less than 6 months.

e. compute the 60^th percentile of the lifetime.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 20.06.2019 18:04, journeyhile5

Find the third, fifth and seventh term sequence described by each rule a(n)=n+1

Answers: 2

continue

Mathematics, 21.06.2019 16:00, tomtom6870

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Answers: 1

continue

Mathematics, 21.06.2019 23:00, annnoe5128abc

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

Answers: 1

continue

Mathematics, 22.06.2019 02:00, gcristhian8863

Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.

Answers: 2

continue

Do you know the correct answer?

The lifetime in months of a transistor in a certain application is random with probability density f...