Book: RS Aggarwal - Mathematics
Chapter: 24. Probability
Subject: Maths - Class 8th
Q. No. 3 of Exercise 24B
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3
Two coins are tossed simultaneously. What is the probability of getting one head and one tail?
All possible outcomes are HH, HT, TH, TT.
Total number of outcomes = 4
Chances of getting one head and one tail = 3, that is TH and HT
Probability P() = 
Probability of getting a tail P(both T) = 
= 
= 
3