Question

Abbie has a box with 9 black beads, 10 white beads and 11 blue beads.

Abbie takes a bead from the box at random.

Find the probability that Abbie takes a black bead.

Answer 1

Solution :-

Total outcomes = 9 + 10 + 11 = 30

Now,

Black head = 9

P = 9/30

Explanation:

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