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swaggg8300
24.07.2019 •
Mathematics
In a certain algebra 2 class of 29 students, 22 of them play basketball and 12 of them play baseball. there are 9 students who play both sports. what is the probability that a student chosen randomly from the class plays basketball or baseball?
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Ответ:
Solution:
we are given that
In a certain algebra 2 class of 29 students, 22 of them play basketball and 12 of them play baseball.
There are 9 students who play both sports.
what is the probability that a student chosen randomly from the class plays basketball or baseball?
1 student out of 29 can be chosen in
ways.
1 student out of 22 Basketball player can be chosen in
ways.
1 student out of 12 baseball player can be chosen in
ways.
1 student out of 9 player can be chosen in
ways.
So Required Probability![=\frac{22_C_1}{29_C_1}+ \frac{12_C_1}{29_C_1}-\frac{9_C_1}{29_C_1}=0.862\\](/tpl/images/0126/2215/46740.png)
Ответ:
hi