3 years ago

Please help me, I need help I don’t know what to do. Last question.

Mathematics

2 answers:

Marina86 [1]3 years ago

8 0

The complete answer is 5/21

Phantasy [73]3 years ago

4 0

Answer:

B. 5/21 chance

Step-by-step explanation:

The probability he gets the black marker first is 5/7. The probability he gets a blue marker after his black marker not replaced is 2/6 or 1/3. 1/3*5/7 is 5/21

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