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Author Question: Suppose P(A) = 0.30, P(B) = 0.50, and P(BA) = 0.60. a. Find P(A and B). b. Find P(A or B). c. ... (Read 69 times)

roselinechinyere27m

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on: Jun 24, 2018
Suppose P(A) = 0.30, P(B) = 0.50, and P(BA) = 0.60.
 a. Find P(A and B).
  b. Find P(A or B).
  c. Find P(AB).

Question 2

Suppose A and B are two mutually exclusive events for which P(A) = 0.30 and P(B) = 0.40.
 a. Find P(A and B).
  b. Find P(A or B).
  c. Are A and B independent events? Explain using probabilities.


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sultana.d

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 0.18
b. 0.62
c. 0.36

Answer to Question 2

a. 0
b. 0.70
c. No. P(A and B) = 0 because they are mutually exclusive events. If they were independent events, you would have P(A and B) = P(A)  P(B) = 0.12.


roselinechinyere27m

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  • Posts: 557
Reply 2 on: Jun 24, 2018
:D TYSM

xthemafja

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Reply 3 on: Yesterday
Gracias!

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