math word problem

Question

A​ penny, a​ nickel, a​ dime, and a quarter are tossed. What is the probability of obtaining

exactly three tails on the​ tosses?

Answer 1

(1/2)^4 = 1/16 = 0.0625 = 6.25% chance of all 4 tails

each has a 1/2 chance of a tail.

1/2 x 1/2 x 1/2 x 1/2 = 1/16 = 6.25%