||| = Mean of a L Questions a ndom Variable 6/10 Question What is the expected value when a fair six-sided die is tossed? Express your answer as a fraction in lowest terms, such as or 1. Please type your answer 7/2 Questions e 5/10 Question Let X be a random variable whose probability function is .1 for x=1 = .4 for x = 4 .5 for x=9 Calculate Var(X). Please type your answer Enter your answer If x is the weight (in ounces) of an orange selected at random from a crate of 100 oranges, then X is a random variable with a probability function 10-{ = alu alw a for x=4 for x=5 for x=6 What is the variance of the oranges in the box? Choose an answer 5 | 36 17 36 19 36 36 -18 A contractor is considering a sale that promises a profit of 92 000 with a probability of 0.7, or a loss (due to bad weather, strikes, and other factors) of 52 000 with a probability of 0.3. What is the variance of the profit? Choose an answer P4 293 440 000 P4 354 560 000 P4 392 440 000 F3 293 440 000