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Question

Toss three fair coins simultaneously and record the outcomes. Find the probability of getting atmost one head in the three tosses.


A
16
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B
14
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C
12
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D
13
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Solution

The correct option is C $$\dfrac{1}{2}$$
Toss three fair coins simultaneously and record the outcomes.The sample space is HHH, HHT, HTH, HTT, THH, THT, TTH and TTT N=8
atmost one head in 4 events
the probability of getting atmost one head in the three tosses.$$P(E)=\dfrac{4}{8}=\dfrac{1}{2}$$

Mathematics

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