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puteri [66]
3 years ago
12

James is selecting a marble. James chooses a marble at random and then replaces it. He then selects a second marble at random. W

hat is the probability that James

Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0

Answer:

The probability of selecting a solid black marbles both times;

P = 9/100

Attached is the completed question;

Step-by-step explanation:

Number of solid black marbles = 3

Total number of marbles = 10

The probability of selecting a solid black marble;

P1 = 3/10

With the assumption that the marbles are replaced before next selection.

The probability of selecting a solid black marbles both times;

P = P1 × P1 = 3/10 × 3/10 = 9/100

P = 9/100

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Answer:

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Step-by-step explanation:

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---> Unit rate: \frac{1}{2} / 2 =

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