Mbc=40 and mcd=60. what is the degree measure of dab?

answer:

50 degrees

step-by-step explanation:

between 40 and 60 is 50 and between   d and b is a

answer: the first one

step-by-step explanation: use a calculator and divide the minutes by the dollars.

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