Express the set   W={z∣z≤0orz≥9}W={z∣z≤0orz≥9} usin g interval notation. Use "U" for or.

z=

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

10010010001010010101001001010010100101010010101010010010101010110010001011010010010001

step-by-step explanation:

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

part a: 1.08

part b: 27.59