Question

Tammy is playing a game where she is trying to roll a three with a standard die. If she gets a three in any of her first 4 rolls, she wins; otherwise she loses. What is the probability that Tammy wins the game?

Answer 1

probability of getting a 3 in a single roll is 1/6

Answer 2

4 rolls would be ...

Answer 3

2/3 or 4/6

Answer 4

easier to compute the probability that in 4 rolls she gets NO threes
namely \((\frac{5}{6})^4\)

Answer 5

then subtract that number from 1

Answer 6

ok i got 1- .48225308642 and got .51774691358