Question

Based on the following results of randomly picked marbles, what is the probability that the next marble to be picked will be blue or red?
Green:5
Blue:11
Red:8
Yellow:1

Answer 1

blue

Answer 2

19/6

Answer 3

red

Answer 4

19/25?

Answer 5

19/25

Answer 6

Well from these results it seems that in 25 attempts, 19 came up blue or red. If the trend continues in this way then the odds will be 19/25. This assumes that the number of blue and red marbles has not been significantly diminished by the picking process relative to the other colors.

Answer 7

ha i said it first!

Answer 8

Thanks!