two coins are tossed simultaneously find the probability of getting two heads and at least one head
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Answer:
total no. of observations = 2 tails + 2 heads = 4
no. of times each dice is thrown = 2
hence, final no. of observations = 2×2 = 4
therefore,
probability of getting 2 heads = 2/4 = 1/2
probability of getting a head = 1/4
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