Drug manufacturers of drug X, which waw released on the market 5 years ago

0.0429 0.4290 0.5710 0.9571. Drug manufactures of Drug X, which was released on the market 5 years ago to treat Crohn's disease, have noticed that many individuals treated with the drug have developed drug-induced lupus.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0