Harpreet tosses two different coins simultaneously (say, one is of Re 1 and other of Rs. 2). What is the probability that she gets at least one head?
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Two coins of Rs 1 and Rs 2 tossed simultaneously
probability that she gets at least one head?
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When two coins are tossed together,the total no.of outcomes = 4
i.e,
Let , H be the event of getting at least one head
•°• no.of favourable event n(H)
➠ 3 (i.e, HH,TH,HT)
Using formula,
P(H)
P(H)= 3/4
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