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## Suppose a girl throws a die. If she gets 1 or 2, she tosses a coin three times and notes the number of tails. If she gets 3, 4, 5 or 6, she tosses a coin once and notes whether a ‘head’ or ‘tail’ is obtained. If she obtained exactly one ‘tail’, what is the probability that she threw 3, 4, 5 or 6 with the die ? (MATHS-CBSE-12-2018)

## Suppose a girl throws a die. If she gets 1 or 2, she tosses a coin three

times and notes the number of tails. If she gets 3, 4, 5 or 6, she tosses a

coin once and notes whether a ‘head’ or ‘tail’ is obtained. If she obtained

exactly one ‘tail’, what is the probability that she threw 3, 4, 5 or 6 with

the die ? (MATHS-CBSE-12-2018)

Asked On2019-04-09 13:46:02 by:naikaumprakash

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Download question setAnswersLet A be the event that girl will get 1 or 2

P(A) = =

Let B be the event that girl will get 3, 4, 5 or 6

P(B) = =

P(T/A) = Probability of exactly one till given she will get 1 or 2 =

P(T/B) = Probability of exactly one till given she will get 3, 4, 5 or 6

=

Hence the probability that she threw 3,4,5 or 6 with the ride is .

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