Question

If you have two pennies, the probability of both coming up heads when flipped is _____.

1/4.
1/2.
3/4.
0/4.

Answer 1

one penny has a 50% chance for heads or tails so if you add one more penny it drops the chances for two heads by 50% again so in the ende you only have 1/4 the chancre of two heads up. hope it helps! :)