subject
Mathematics, 06.08.2019 02:10 allisonxyooj22

Suppose that the amount of time (in months) that a light bulb lasts before it burns out has an exponential distribution with parameter λ = 1/5. a) what is the probability that it lasts at least three months? b) if it has already lasted two months, what is the probability that it will last at least three more months? c) on average, how many months will the light bulb last?

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:00, Irenesmarie8493
The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250
Answers: 3
image
Mathematics, 21.06.2019 20:40, stotherow5
Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.
Answers: 1
image
Mathematics, 21.06.2019 21:30, sassy11111515
Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?
Answers: 3
image
Mathematics, 21.06.2019 23:00, kalbaugh
What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top
Answers: 2
You know the right answer?
Suppose that the amount of time (in months) that a light bulb lasts before it burns out has an expon...

Questions in other subjects:

Konu
Social Studies, 26.03.2021 23:30
Konu
Chemistry, 26.03.2021 23:30