Q. 94.6( 8 Votes )

If two coins are

Answer :

Concept Used:

When n number of coins are tossed together, Sample space = 2n

When two coins are tossed, sample space = 22 = 4


Sample space = {(H, H), (H, T), (T, H), (T, T)}


Number of outcomes in which we get exactly two heads = 1 {(H, H)}


Getting at least one tails: This means the observations that contain one and more than one tails.

Number of outcomes with at least one tails = 3 {(H, T), (T, H), (T, T)}

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