Jen uses the internet to find the speeds of 50 marathon runners. Which pair of words describes the data she finds?
А
primary, discrete
B
primary, continuous
С
secondary, discrete
D
secondary, continuous​

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

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step-by-step explanation:

answer: give more info

step-by-step explanation:

homozygous. one is homozygous, while two is heterozygous.