Question

Sal's pet store only sells lizards and birds. Sal currently has 16 birds and 18 lizards available for sale. Six of

the birds and 14 of the lizards are male. What is the probability that a randomly selected pet is a lizard given that it is a female?

Answer 1

d) 2/7

Explanation:

You want the probability that a pet is a lizard, given that it is female if 14 of 18 lizards are male, and 6 of 16 birds are male.

Female

There are 10 female birds and 4 female lizards, so 4 of (10+4) = 14 female pets are lizards.

P(lizard | female) = 4/14 = 2/7 . . . . matches choice D

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