InkLoopInkLoop/NYS Standards/NY-S.CP.3
NY-S.CP.3
Algebra IIConditional Probability and the Rules of Probability60 target questions

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.

Sample Practice Questions (3)

1
The Venn diagram below shows the number of students who take Chemistry (C) and Physics (P) in a class of 50 students.\nWhat is the probability that a randomly selected student takes Physics, given that they take Chemistry?
Chemistry Physics 15 10 5
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
2
Based on the Venn diagram shown, what is the value of ?
Set A Set B 15 25 10
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
3
In the diagram shown, Set represents students taking Algebra II and Set represents students taking Chemistry. The values represent the probabilities of a student being in each region. Find .
A B 0.30 0.10 0.20
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
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