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Course: High school math (India) > Unit 7

Lesson 13: Probability
Math
High school math (India)
Class 12
Probability
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Probability 13.1

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Problem

Researchers surveyed one hundred students on which superpower they would most like to have. The two-way table below displays data for the sample of students who responded to the survey.
SuperpowerMaleFemaleTOTAL
Fly301040
Invisibility123244
Other10616
TOTAL5248100
Find the probability that the student was male, given the student chose to fly as their superpower.
P(male | fly)=
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi