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प्रश्न
Two coins are tossed simultaneously. The probability of getting atmost one head is
पर्याय
`1/4`
`3/4`
`1/2`
`1/4`
MCQ
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उत्तर
The random experiment is tossing two coins simultaneously.
All the possible outcomes are HH, HT, TH, and TT.
Let A be the event of getting at most one head.
The number of times A happens is 3.
Remember the empirical or experimental or observed frequency approach to probability.
If n be the total number of trials of an experiment and A is an event associated to it such that A happens in m-trials. Then the empirical probability of happening of event A is denoted by P(A) and is given by
` P(A) =m/n`
Therefore, we have
` P(A) = 3/4`
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