You randomly draw a marble from a bag of marbles that contains 8 88 blue marbles, 5 55 green marbles, and 8 88 red marbles. What is P (draw a blue or red marble) P (draw a blue or red marble) start text, P, left parenthesis, d, r, a, w, space, a, space, b, l, u, e, space, o, r, space, r, e, d, space, m, a, r, b, l, e, end text, right parenthesis? If necessary, round your answer to 2 22 decimal places.

Question

Mathematics

Karlee Duran

7 January, 12:28

You randomly draw a marble from a bag of marbles that contains 8 88 blue marbles, 5 55 green marbles, and 8 88 red marbles. What is P (draw a blue or red marble) P (draw a blue or red marble) start text, P, left parenthesis, d, r, a, w, space, a, space, b, l, u, e, space, o, r, space, r, e, d, space, m, a, r, b, l, e, end text, right parenthesis? If necessary, round your answer to 2 22 decimal places.

+1

Answers (2)

Know the Answer?

Joel Ayers · Answer 1

7%

Step-by-step explanation:

add all numbers up get 21 then divide by 3 and get 7

Mora · Answer 2

0.25

Step-by-step explanation:

3 favorable outcomes

3+4+5=123 + 4 + 5 = 12

3+4+5=12

3, plus, 4, plus, 5, equals, 12

total marbles

P (draw a blue marble) =

12

3

=0.2