Question

Two coins are tossed once. Find the probability of getting (1) two tails(2) exactly one head (3) two heads and also find the sum of probabilities of 1,2 and 3....

Answer 1

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Answer 2

1) probability of getting 2 tails is = 1/4

2) exactly one head is 2/4 = 1/4

3) two tails is 2/4 = 1/2

sum of all:

1/4+1/4+1/2 = 1