Coco flips a penny, a nickel, and a quarter. Each coin is fair (meaning that heads and tails are equally likely to come up). What is the probability that at least two of the coins comes up heads?
+36916 8 possibilities
ttt
tth
tht
thh
hhh
hht
hth
htt
How many do you see (out of 8) have at least 2 h's?
