Question:

If two coins are tossed, find the probability of the following events.

(1) Getting at least one head.

(2) Getting no head.

 

Answer:

(1) Getting at least one head.

Solution:
Given two coins are tossed
Maharashtra Board Solutions for Class 10 Maths Part 1 chapter 5 - Image 2Sample Space, S = (HH, HT, TH, TT)
Probability of getting at least one head, p(A) =
p(A) = ¾

(2) Getting no head.

Solution:
Given two coins are tossed
Maharashtra Board Solutions for Class 10 Maths Part 1 chapter 5 - Image 3Sample Space, S = (HH, HT, TH, TT)
Probability of getting no head, p(B) =
p(B) = ¼

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