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Question 48
Three coins are tossed in the air and two of the coins land with tails face upwards. What are the chances on the next toss of the coins that at least two of the coins will land with the tails facing upwards?
Solution
Three coins are tossed in the air and two of the coins land with tails face upwards.
Assuming that the coins are fair and the first part does not try to indicate that they are not fair. The outcomes that make at least two coins heads are :Â
HHT, HHH, HTH, THHÂ
Thus, outcome is 4 out of 8 = 50%
=> Ans - (A)
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