Question
Three fair coins are tossed. What is the probability that at least one is a head? (Enter the probability as a fraction.) I came up with 7/8
Thank you
Thank you
Answers
Damon
find probability that NONE are heads
(1/2)^3 = 1/8
so we want
1 - 1/8 = 7/8 agree with you
(1/2)^3 = 1/8
so we want
1 - 1/8 = 7/8 agree with you