subject
Mathematics, 27.03.2020 08:17 jasperzhouzihe3018

Replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years(bases data from "Getting Things Fixed", Consumer Reports). Find the probability that 40 randomly selected TV sets will have a mean replacement time less than 8.0 years.
Please help me. Thanks in advance!

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 12:40
Free 100 points to whoever says “oof the porridges” if it’s not exact, your answer will be reported, first person gets brainliest
Answers: 2
question
Mathematics, 21.06.2019 13:10
Next, chad created this graph with ordered pairs that show the possible ratios of the number of damage to defense cards in his deck.what error chad make?
Answers: 1
question
Mathematics, 21.06.2019 19:30
Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .
Answers: 1
question
Mathematics, 22.06.2019 00:30
Fixed rate mortgage offer: purchase price: $170,000 down payment ($34k): 20% term: 30 years interest rate: 4.25% property tax (yearly): $1,500 homeowner’s insurance (yearly): $1,000 use this example from a fixed-rate mortgage calculator to you answer the questions. keep the page open after you complete this question. according to the calculator, the monthly payment demarco and tanya should anticipate paying for principal and interest is $208. $877. $669. $1,200.
Answers: 1
You know the right answer?
Replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard devia...
Questions
question
Mathematics, 26.08.2019 23:40
question
Mathematics, 26.08.2019 23:40
Questions on the website: 13722361