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Question

Two coins are tossed simultaneously. The probability of getting at least one head is __
(Give the answer up to 2 decimal places)

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Solution

There are four outcomes TT, TH, HT and HH, out of which the last three are favourable.
Probability of an event E, P(E) =number of favourable outcomestotal number of outcomes
Hence, the probability is 34 = 0.75.


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