Question

C. Researchers surveyed 100 students on which superpower they would most like to have. This two-way table displays data for the sample of students who responded to the survey:

Superpower Male Female Total

   Fly 26 12 38

   Invisibility 12 32 44

   Other 10 8 18

Total                   48 52 100

A student will be chosen at random. Show your work. (See Ex. 7)

7. What is the P(Invisibility)?

8. What is the P(Female)?

9. What is the P(male, given student chose Fly as a superhero)?

   P(male | Fly) =

D. If the probability of drawing a jack (Event A) is 4/52 and drawing a king (Event B) is 4/52.

10. What is the probability of choosing a jack or a king in a single draw? Show your work using the correct notation.

Answer 1