Mathematics, 14.04.2020 16:00 leannamat2106
The probability distribution of the number of students absent on Mondays, is as follows: X 0 1 2 3 4 5 6 7 f(x) 0.02 0.03 0.26 0.34 0.22 0.08 0.04 0.01 (a) What is the probability that more than 3 students are absent. (b) Compute the expected value of the random variable X . Interpret this expected value. (c) Compute the variance and standard deviation of the random variable X . (d) Compute the expected value and variance of Y=7X+3 . (e) Compute the covariance Cov(X, Y) (f) What is the value of the ratio Cov(X, Y)/Var(X) ? (g) What is the value of Cov(X, Y)/Var(X) for Y=β0+β1X ?
Answers: 3
Mathematics, 21.06.2019 21:30
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
Mathematics, 21.06.2019 23:00
If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost
Answers: 1
Mathematics, 22.06.2019 04:30
What is the equation for the line that passes through the points (-6,4) and (-2,9) answer in point slope form
Answers: 2
The probability distribution of the number of students absent on Mondays, is as follows: X 0 1 2 3 4...
English, 02.03.2021 22:10
English, 02.03.2021 22:10
English, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Geography, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Social Studies, 02.03.2021 22:20
Mathematics, 02.03.2021 22:20