Which of the following statement is not true? A. The expected value of a discrete random variable X with a set of possible values D and probability mass function p(x) is ; B. If the expected value of a discrete random variable X is $125, then the expected value of the linear function h(X) = 100 X + 25 (3-X) is $15,550 C. For any constant c and discrete random variable X, D. For any constant c and discrete random variable X, E(X+c) = E(X)+c

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Anyone know? will mark brainliest if correct

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer