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A school committee consists of 4 girls and 6 boys. How many girls should be added to the committee so that the probability of choosing a student from the committee at random and…

A school committee consists of 4 girls and 6 boys. How many girls should be added to the committee so that the probability of choosing a student from the committee at random and…
asked 131k views
19 votes
A school committee consists of 4 girls and 6 boys. How many girls should be added to the committee so that the probability of choosing a student from the committee at random and choosing a girl is 70%?

asked
User Padmalcom
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8.3k points

1 Answer

8 votes
An important fact that would help you with this is knowing that
70% = 3/4


answered
User Nglauber
by
7.5k points
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