Statistics And Probability Question 69
Question: If A and B are two events such that $ P,(A)=\frac{3}{8},, $ $ P,(B)=\frac{5}{8} $ and $ P,(A\cup B)=\frac{3}{4}, $ then $ P,( \frac{A}{B} )= $
Options:
A) $ \frac{2}{5} $
B) $ \frac{2}{3} $
C) $ \frac{3}{5} $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
-
$ P(A/B)=\frac{P(A\cap B)}{P(B)}=\frac{(3/8)+(5/8)-(3/4)}{(5/8)}=\frac{2}{5} $ .
BETA
