Mathematics: Find the indicated probability. If P(A or B) = 0.8, P(A) = 0.4, and P(A and B)= 0.15, find P(B). P(B)= (Simplify your answer. Type an integer or a decimal.)

Find the indicated probability. If P(A or B) = 0.8,

hamilclips1748

14.02.2022

P(B) = 0.55

Step-by-step explanation:

Given

$P(A\ or\ B) = 0.8$

P(A) = 0.4

$P(A\ and\ B) = 0.15$

Required

Find P(B)

In probability, we have:

$P(A\ or\ B) = P(A) + P(B) - P(A\ sd B)$

Substitute values

0.8 = 0.4 + P(B) - 0.15

Collect Like Terms

P(B) = 0.8 - 0.4 + 0.15

P(B) = 0.55

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gui00g7888888888888

30.12.2021

_64,

3.5

6.666

127

i think there was no ans above

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