Aclass has 7boys and 5 girls. If the teacher randomly picks seven students whats the probability that he will pickall boys

34%

Explanation:

5 girls + 7boys = 12 students

then:

7 / 12 = 0.5833

0.5833*100 = 58.33%

The probability of getting a boy among all the students is 58.33%

Now, If the teacher randomly picks seven students  the probability that he will pickall boys is:

7/12 = 0.5833

then

0.5833*58.33 = 0.34

0.34*100 = 34%

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