Two fair coins are tossed. What is the probability of getting at the most one head?
(a) 3/4 (b) 1/4 (c) 1/2 (d) 3/8
CBSE Class 10 Sample Paper for 2022 Boards - Maths Standard [MCQ]
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CBSE Class 10 Sample Paper for 2022 Boards - Maths Standard [MCQ]
Last updated at April 16, 2024 by Teachoo
Question 5 Two fair coins are tossed. What is the probability of getting at the most one head? (a) 3/4 (b) 1/4 (c) 1/2 (d) 3/8 All outcomes = HH, HT, TH, TT Outcomes with atmost one head = Outcomes with no head + Outcomes with 1 head = TT, TH, HT Now, Probability of getting atmost one head = (๐๐ข๐๐๐๐ ๐๐ ๐๐ข๐ก๐๐๐๐๐ ๐ค๐๐กโ ๐๐ก๐๐๐ ๐ก 1 โ๐๐๐)/(๐๐๐ก๐๐ ๐๐ข๐๐๐๐๐ ๐๐ ๐๐ข๐ก๐๐๐๐๐ ) = ๐/๐ So, the correct answer is (a)