# math

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1.A box contains four red marbles, seven white marbles, and five blue marbles. If one marble is drawn at random, find the probability for each of the following:

a.A blue marble is drawn: ______
b.A red or blue marble is drawn: _____
c.Neither a blue or red marble is drawn:

• math -

a. (number of blue marbles)/(total number of marbles)
b. and c. Use similar logic for the other questions. Nine out of 16 are red OR blue.

• math -

4/5

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