school
Acemy

Probability and Conditional Probability

SAT Math· difficulty 4/5

Given P(A)=0.4P(A) = 0.4, P(B)=0.5P(B) = 0.5, P(A and B)=0.2P(A \text{ and } B) = 0.2. What is P(A∣B)P(A | B)?

  • A

    0.2

  • B

    0.4

    check_circle
  • C

    0.8

  • D

    0.5

Explanation

P(A∣B)=P(A and B)/P(B)=0.2/0.5=0.4P(A | B) = P(A \text{ and } B)/P(B) = 0.2/0.5 = 0.4.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forwardPredict my AP score

Related questions

auto_awesomeAll Toolsquestion_answerHomework Q&Amenu_bookAP & SAT PreptimelineLearn Mode