Statistics And Probability Question 379

Question: If A and B are two independent events such that $ P,(A)=0.40,P,(B)=0.50. $ Find $ P $ (neither A nor B)

[MP PET 1989; J & K 2005]

Options:

A) 0.90

B) 0.10

C) 0.2

D) 0.3

Show Answer

Answer:

Correct Answer: D

Solution:

  •                  $ P(neither\,A\,nor\,B)=P(\bar{A}\cap \bar{B}) $                                                $ =P(\bar{A})\,.\,P(\bar{B})=0.6\times 0.5=0.30 $ .