If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Statistics and probability

Course: Statistics and probability > Unit 7

Lesson 7: Multiplication rule for independent events
Math
Statistics and probability
Probability
Multiplication rule for independent events
© 2023 Khan AcademyTerms of usePrivacy PolicyCookie Notice

Probabilities of compound events

AP.STATS: VAR‑4 (EU), VAR‑4.E (LO), VAR‑4.E.1 (EK), VAR‑4.E.2 (EK) CCSS.Math: 7.SP.C.8, 7.SP.C.8a, 7.SP.C.8b
Google Classroom

Problem

If you flip three fair coins, what is the probability that you'll get a head on the first flip, a tail on the second flip, and another head on the third flip?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a proper fraction, like 1, slash, 2 or 6, slash, 10
  • an improper fraction, like 10, slash, 7 or 14, slash, 8
  • a mixed number, like 1, space, 3, slash, 4
Stuck?
Stuck?