https://weber.instructure.com/courses/542360/quizzz//278662/take?preview= 1 NYT ) Office WSU Stats E Economist TaiLB Finance Orgs Code DataSites Rewards MC . 1022 Choose a File incements D Question 2 10 pts Suppose that fund-raisers at a university call recent graduates to request donations mous outreach programs. They report the following information for last year's graduates. Donation Amount (x) Proportion of donations SO 0.40 $10 0.35 $25 0.20 $50 0.05 eButton orations E(z) = > z . P(z) ister Var(z) = E(x - E(x))' . P(z) dance What is the expected donation amount? Compute the standard deviation of the donation amount. Final Grades Upload Choose a File at Resources sibility Report where the requirement was that at most 5% of the population is in