Susan has $350 in her checking account she writes checks for $45.70 for flowers $78.53 for books and $46.98 for cds how much money is left in her checking account

350-45.70=304.30 304.30-78.53=225.77 225.77-46.98=178.79 178.79

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

the expected value of the random variable : 0, 1 and 2

step-by-step explanation: