x P(x) 0 0.25 1

Question

x

P(x)

0

0.25

1

0.20

2

0.30

3

0.25

6. a) Find the mean of the probabiility distribution above.

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Tryphena 4 years 2021-09-04T16:58:00+00:00 1 Answers 20 views 0

Answers ( )

  1. Gerda
    0
    2021-09-04T16:59:47+00:00
    Reply

    Answer:

    6 because is the total number of x over the total number of px

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )