Skip to content
Question 13 of 34

Q.If A and B are independent events P(A)=25P(A) = \dfrac{2}{5} and P(B)=15P(B) = \dfrac{1}{5} then P(A∩B)P(A \cap B) :

(a) 00
(b) 325\dfrac{3}{25}
(c) 125\dfrac{1}{25}
(d) 225\dfrac{2}{25}
Puducherry TnboardTamil Nadu HSC First Year (DGE) Commerce Board 2020MCQ· 1mImportance★★★★★
38% · 13/34 Questions
🔒 Locked · start free trial →

You're viewing a preview — the full solution, concept, methods & PYQ mapping are locked.

Start your 14-day free trial to unlock the full solution →

Because AA and BB are independent, P(A∩B)=P(A)P(B)=25⋅15=225P(A\cap B)=P(A)P(B)=\dfrac{2}{5}\cdot\dfrac{1}{5}=\dfrac{2}{25}.

Two events AA and BB are independent when the occurrence of one does not affect the probability of the other. For such events the multiplication rule simplifies to:

P(A∩B)=P(A)⋅P(B).P(A\cap B) = P(A)\cdot P(B). …

Unlock everything free for 14 days

  • Full step-by-step solutions
  • Concept-first explanations
  • Methods, shortcuts & mistakes
  • PYQ mapping + timed mock tests

Full access for 14 days. No credit card required.