Statistics And Probability Question 227
Question: A bag contains 3 white and 5 black balls. If one ball is drawn, then the probability that it is black, is
[RPET 1995]
Options:
A) $ \frac{3}{8} $
B) $ \frac{5}{8} $
C) $ \frac{6}{8} $
D) $ \frac{10}{20} $
Show Answer
Answer:
Correct Answer: B
Solution:
-
Required probability $ =\frac{{}^{5}C_1}{{}^{8}C_1}=\frac{5}{8}. $
BETA
