Afish tank at a pet store has 8 zebra fish. in how many different ways can nikki choose 3 zebra fish? a.512 b. 336 c. 24 d. 56 i got 24 is it right?

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

d

step-by-step explanation:

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.