Question

7. A bag containing 5 green marbles, 8 red marbles, 11 orange marbles, 7 brown marbles, and 12 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)?

A. 20/43
B. 40/43
C. 20/1849
D. 96/1849

Answer 1

Either A or B. I'm thinkin A.

Answer 2

Oh heck, that first statement is wrong. 43 is the total number of marbles.

Answer 3

Total number of marbles: (5+8+11+7+12) = 43, and to pick a red out of that would be 8/43. To pick a blue would be the number of blue marbles, 12, divided by how many marbles there are total, 43. So 12/43. To find zee total probability, multiply (8/43) by (12/43).

Ya get: 0.052: Or D. D is da answer. Ain't no thang. How coo'.

Answer 4

Alright, edited my mistake.

Answer 5

CX thanks

Answer 6

Yeppers. Rock on!

Answer 7

CX Dubstep on :) \m/