Box A has 3 red marbles and 2 yellow marbles. Box B has 2 red marbles and 1 yellow marble. If you have to pick a red marble to win a prize and you can not look in the box. which box would give you the best chance of winning the prize?
2007-01-11 14:22:44 · 4 answers · asked by carmel32 1 in Science & Mathematics ➔ Mathematics
Box B has about .06 more chance in winning.
3/5 = 0.6
2/3 = 0.666666666666...
2007-01-11 14:27:17 · answer #1 · answered by Not Here 3 · 0⤊ 0⤋
Box A: Chances of red = 3/5=0.60
Box B; Chances of red= 2/3 =.67
You should choose Box B
2007-01-11 22:29:31 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
Box B
You have a 2 out of 3 chance of getting a red marble or a 66% chance, with Box B.
With Box A you have a 3 out of 5 chance or only 60%.
2007-01-11 22:29:29 · answer #3 · answered by AslansKirk 2 · 0⤊ 0⤋
box b
because box a has a 3/4 chance and box b has a 2/3 chance
2007-01-11 22:32:46 · answer #4 · answered by julie 2 · 0⤊ 0⤋