# Maths ncert Class 12 Chapter 12

Exercise 13.1 Page No: 538

1. Given that E and F are events such that P (E) = 0.6, P (F) = 0.3 and P (E ∩ F) = 0.2, find P (E|F) and P (F|E)

Solution:

2. Compute P (A|B), if P (B) = 0.5 and P (A ∩ B) = 0.32

Solution:

3. If P (A) = 0.8, P (B) = 0.5 and P (B|A) = 0.4, find
(i) P (A ∩ B)

(ii) P (A|B)

(iii) P (A ∪ B)

Solution:

4. Evaluate P (A ∪ B), if 2P (A) = P (B) = 5/13 and P (A|B) = 2/5.

Solution:

5. If P (A) = 6/11, P (B) = 5/11 and P (A ∪ B) = 7/11, find
(i) P (A∩B)

(ii) P (A|B)

(iii) P (B|A)

Solution:

Determine P (E|F) in Exercises 6 to 9.

6. A coin is tossed three times, where
(i) E : head on third toss, F : heads on first two tosses
(ii) E : at least two heads, F : at most two heads
(iii) E : at most two tails, F : at least one tail

Patio umbrellas sold at Costco recalled after reports of fires गर्मी में लू लगने से बचाव करेंगे यह खाद्य पदार्थ, आज ही खाना करें शुरू ट्रेन के बीच में ही AC कोच क्यों लगाए जाते हैं? Rbse books for class 1 to 12 hindi medium 2021-22