Three coins are tossed. Let the event H = all Heads and the event K = at least one Heads. 1. P(H∩K) =

2. The probability that the outcome is all heads if at least one coin shows a head

3. P(K) =

Choices:

7/8

1/7

1/8

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You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's