There are 4 truck in the fleet of 10 cars. 2 cars were randomly selected. Make a series of distribution of a discrete random variable X – th

Question

There are 4 truck in the fleet of 10 cars. 2 cars were randomly selected. Make a series of distribution of a discrete random variable X – the number of trucks among the selected.

in progress 0
Audrey 1 week 2021-09-12T00:36:04+00:00 1 Answer 0

Answers ( )

    0
    2021-09-12T00:37:49+00:00

    Answer:

    X = 0 , P(0) = 1/3

    X = 1 , P(1) = 8/15

    X = 2 , P(2) = 2/15

    Step-by-step explanation:

    Let X be the no. of trucks

    X = 0 , P(0) = 6/10 × 5/9 = 1/3

    X = 1 , P(1) = 2(6/10 × 4/9) = 8/15

    X = 2 , P(2) = 4/10 × 3/9 = 2/15

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )