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Three coins are tossed together. Write all the possible outcomes. Now, find the probability of getting exactly two heads. - Mathematics

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Question

Three coins are tossed together. Write all the possible outcomes. Now, find the probability of getting exactly two heads.

Sum

Solution

When three coins are tossed, possible outcomes are: 

HHH, HHT, HTH, HTT, THH, THT, TTH, TTT  

Total possible outcomes = 8 

Favorable outcomes for exactly two heads = HHT, THH, HTH 

Number of favorable outcomes = 3 

P(exactly two heads) = 38  

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Chapter 25: Probability - Exercise 25 (C) [Page 395]

APPEARS IN

Selina Mathematics [English] Class 10 ICSE
Chapter 25 Probability
Exercise 25 (C) | Q 27.1 | Page 395

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