Mathematics, 24.03.2021 01:30 lekingbrian9285
Suppose that X is a random variable with mean μ= 11.5 and standard deviation σ= 3.1, and that Y is a random variable with mean μ= 11.5 and standard deviation σ= 3. What is E(X+Y)? If necessary, round your answer to one decimal place.
Answers: 1
Mathematics, 21.06.2019 17:30, rwbrayan8727
Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.
Answers: 2
Suppose that X is a random variable with mean μ= 11.5 and standard deviation σ= 3.1, and that Y is a...
Mathematics, 27.06.2019 11:00