Understanding conditional probability HSS.CP.A.3 Grade Practice Test Questions TOC | Lumos Learning

Understanding conditional probability HSS.CP.A.3 Question & Answer Key Resources Lumos StepUp ACT Practice Program - Mathematics

Lumos StepUp ACT Practice Program - Mathematics Understanding conditional probability

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A neighborhood association was trying to get a handle on how many families have children and pets in the subdivision. The subdivision has 800 families. A survey revealed that 200 families have both children and pets, and 250 families have children but no pets. The survey also revealed that 225 families have no children but they do have pets and 125 families have no children and no pets.

What is the probability that a randomly chosen family in the subdivision has no children, given that the family also has no pets?

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):HSS.CP.A.3

Standard Description: Understand the conditional probability of A given B as P(A and B)/P(B), and interpret independence of A and B as saying that the conditional probability of A given B is the same as the probability of A, and the conditional probability of B given A is the same as the probability of B.

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