Answer :
The probability that the student chosen at random will be a boy, in simplified fraction form, is 5/22.
Compare the number of boys to the total number of students.
Number of students who watched tennis: 56
Number of boys who watched tennis: 20
Number of girls who watched tennis: 17
Number of students who didn't watch tennis: 32
Add the number of students who watched tennis to the number of students who didn't watch tennis:
Total number of students = Number of students who watched tennis + Number of students who didn't watch tennis
Total number of students = 56 + 32 = 88
The probability of choosing a boy can be calculated as follows:
Probability of choosing a boy = Number of boys who watched tennis / Total number of students
Probability of choosing a boy = 20 / 88
Probability of choosing a boy = 5/22
Therefore, the probability is 5/22.
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