问一道概率题

kenlily

When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land on the same side each time?

谢谢!

himba

(1/2)*(1/2)*(1/2)*2 = 1/4。3次都正面，或者3次都反面。每种情况几率都是(1/2)*(1/2)*(1/2)。

kenlily

明白了。谢谢版主！！！