Expected Value
Easy
Waiting for a Six
A fair die is rolled until the first six appears. What is the expected number of rolls?
Question 1 of 3
Think first. Use hints deliberately. Study the reasoning only when you need it.
Question 1 of 3
A fair die is rolled until the first six appears. What is the expected number of rolls?
Think first. Use hints deliberately. Study the reasoning only when you need it.