Bill is playing a game of chance of the school fair
He must spin each of these 2 spinners
If the sum of these numbers is an even number, he wins a prize.
What is the probability of Bill winning?
What is the probability of Bill spinning a sum greater than 15?
Answers
Given : Bill is playing a game of chance of the school fair
He must spin each of these 2 spinners
If the sum of these numbers is an even number, he wins a prize.
To Find : probability of Bill winning?
probability of Bill spinning a sum greater than 15
Solution:
8 4 2 1
7 15 11 9 8
9 17 13 11 10
5 13 9 7 6
3 11 7 5 4
There are total 16 possible out puts
Even sum are 8 , 10 , 6 , 4 hence 4 favorable outcomes
probability of Bill winning = 4/16 = 1/4
17 is the only sum greater than 15
Hence probability of Bill spinning a sum greater than 15 = 1/16
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