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Vinil7 [7]
3 years ago
14

Type the correct answer in each box. If necessary, use / for the fraction bar. A bag contains 5 blue marbles, 2 black marbles, a

nd 3 red marbles. A marble is randomly drawn from the bag. The probability of not drawing a black marble is ? The probability of drawing a red marble is ?
Mathematics
1 answer:
serg [7]3 years ago
7 0

Answer:

P (not drawing a black marble) =  4/5

P (red marble) = 3/10

Step-by-step explanation:

The total number of marbles is

5 blue marbles +2 black marbles+ 3 red marbles = 10 marbles

P (not drawing a black marble) =

The marbles that are not black/ total marbles

(blue + red)/ total

(5+3)/10

8/10

4/5

P (red marble) =   red marble/ total

                         = 3/10

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