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Three unbiased coins are tossed simultaneously. Find the probability of getting (i) exactly two heads, (ii) at least two heads, (iii) at most 2 heads.
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Three unbiased coins are tossed simultaneously....
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Nov 17, 2021
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JackTerrance
Three unbiased coins are tossed simultaneously. Find the probability of getting (i) exactly two heads, (ii) at least two heads, (iii) at most 2 heads. Select the correct answer from above options
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Nov 17, 2021
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JackTerrance
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Correct Answer - C When 3 coins are tossed , all possible outcomes are HHH,HHT,HTH,THH,HTT,THT,TTH,TTT. Their number is 8. Favourable outcomes are HHT,THT,THH. Their number is 3. `:. ` P(getting exactly 2 heads) = `3/8`.
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