The weekly demand for propane gas (in 1000s of gallons) from a particular facility is an rv X with pdf f(x) 5 5 211 2 1 x22 1 # x # 2 0 otherwise a. Compute the cdf of X. b. Obtain an expression for the (100p)th percentile. What is the value of m ,? c. Compute E(X) and V(X). d. If 1.5 thousand gallons are in stock at the beginning of the week and no new supply is due in during the week, how much of the 1.5 thousand gallons is expected to be left at the end of the week? [

10. which of the following is true regarding preretirement inflation? a. defined-benefit plans provide more inflation protection than defined-contribution plans. b. because of preretirement inflation, possible investment-related growth is increased for defined-contribution plans. c. all types of benefits are designed to cope with preretirement inflation. d. preretirement inflation is generally reflected in the increase in an employee's compensation level over a working career.

The questions of economics address which of the following ? check all that apply

(a) what do you think will happen if the price of non-gm crops continues to rise? why? (b) what will happen if the price of non-gm food drops? why?