Question

Steve has 11 biscuits in a tin.

a
There are 2 digestive, 5 chocolate and 4 ginger biscuits.
Steve takes two biscuits at random from the tin.
Work out the probability that he chooses two different types of biscuits.

Answer 1

38/55

Explanation:

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Answer 2

38/55

Explanation:

the probably is P(A)

2x4+2x5+4x5

11x10

2

8+10+20

55

38/55