Mathematics, 18.11.2020 17:50 kell22wolf

Question 3 The distribution of random variable R has mean 10 and standard deviation 4. The distribution of random variable S
has mean 7 and standard deviation 3. If Rand S are independent, what are the mean and standard deviation of the
distribution of R-S?
Mean 3 and standard deviation 1
B
Mean 3 and standard deviation 5
Mean 3 and standard deviation 7
mong
D
Mean 17 and standard deviation 1
E
Mean 17 and standard deviation 5

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:30, ultimatesaiyan

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Answers: 1

continue

Mathematics, 21.06.2019 21:30, memo1102

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Answers: 2

continue

Mathematics, 21.06.2019 23:50, Animallover100

What is the inverse of f(x) = 6x -24

Answers: 1

continue

Mathematics, 22.06.2019 00:30, breroyalee2584

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

continue

You know the right answer?

Question 3 The distribution of random variable R has mean 10 and standard deviation 4. The distribu...