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christina
christina asked in Science & MathematicsMathematics · 6 years ago

PROBABILITY QUESTION? CAN SOMEONE PLEASE HELP?!?

What is the probability of rolling a number greater than or equal to 9 with two dice, given that at least one of the dice must show a 6?

A. 4/11

B. 7/11

C. 2/11

D. 9/11

2 Answers

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  • Puzzling
    Lv 7
    6 years ago

    First, list the possible rolls where one of the dice is showing a six:

    1+6

    2+6

    3+6*

    4+6*

    5+6*

    6+6*

    6+5*

    6+4*

    6+3*

    6+2

    6+1

    Next, note which ones have a sum that is greater than or equal to 9 (added asterisks above).

    So the probability is 7/11

    Answer:

    B. 7/11

  • Vilma
    6 years ago

    its c

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