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3 years ago

14

at a particular college 2/5 of the students take a math class. Of these students 1/4 take basic algebra. WHat fraction of the st

udents take basic algebra. Please show your steps.

1 answer:

ikadub [295]3 years ago

4 0

-4.9 thats your answer

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Zanzabum

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Step-by-step explanation:

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You have a jar of marbles with 7 red, 12 blue, 6 yellow, and 9 white. What is the probability of selecting a marble that is not

Schach [20]

Answer:

The probability of selecting a marble that is not red, replacing it and then one that is white is 0.2102

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Number of red marbles = 7

Number of blue marbles = 12

Number of yellow marbles = 6

Number of white marbles = 9

Total marbles = 7+12+6+9=34

Probability of selecting red marble = $\frac{7}{34}$

Probability of selecting no red marble = $1-\frac{7}{34}=\frac{27}{34}$

Now replacing it one marble is drawn again

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So,the probability of selecting a marble that is not red, replacing it and then one that is white = $\frac{27}{34} \times \frac{9}{34}=0.2102$

Hence the probability of selecting a marble that is not red, replacing it and then one that is white is 0.2102

3 0

3 years ago