P(A) = 1/3, P(B) = 3/5 এবং A ও B স্বাধীন হলে, P(B/A) এর মান কত?
Solution
Correct Answer: Option B
দেওয়া আছে,
P(A) = 1/3
P(B) = 3/5
এবং A ও B স্বাধীন
∴ P(A∩B) = P(A) × P(B)
= (1/3) × (3/5)
= 1/5
∴ P(B/A) = P(A∩B)/P(A)
= (1/5)/(1/3)
= (1/5) × (3/1)
= 3/5
P(A) = 1/3
P(B) = 3/5
এবং A ও B স্বাধীন
∴ P(A∩B) = P(A) × P(B)
= (1/3) × (3/5)
= 1/5
∴ P(B/A) = P(A∩B)/P(A)
= (1/5)/(1/3)
= (1/5) × (3/1)
= 3/5
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