bro help i suck at math what is the answer to this?

A bag contains 12 gray and 24 white marbles. A marble is drawn at random.

What is the theoretical probability, as a decimal, of drawing a gray marble? Round the decimal to the nearest hundredth.

2 Answers

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  • ?
    Lv 7
    2 months ago

                                   #gray marbles

    P (gray marble) = -----------------------

                                  total #marbles

                                       12

                              = ------------

                                   12 + 24

                                  12

                              = -----

                                  36

                             = 0.33              ..........ANS

  • TomV
    Lv 7
    2 months ago

    You have a total of 36 marbles. The probability of drawing any one particular marble is 1 in 36. As there are 12 grey marbles, the probability that marble will be grey is 12 in 36.

    Ans: 12/36 = 1/3 = 0.333_

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