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ratelena [41]
3 years ago
6

Kristen is playing a game where she is trying to roll a five with a standard die. If she gets a five in any of her first 9 rolls

, she wins; otherwise she loses. What is the probability that Kristen loses the game? Round your answer to the nearest tenth of a percent.
Mathematics
1 answer:
dimaraw [331]3 years ago
5 0
There is only a 19.4% chance that she losses the game. 

This is because she has a 5/6 or 83.3% chance of not rolling a 5. In order to find the probability of this happening repeatedly 9 times, you must raise the fraction to the 9th power. 

(5/6)^9 = .1938

Then you can turn it into a percentage and round.

19.4%
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