Asked by chocolate

A bag contains 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)?
20/43
40/43
20/1849
96/1849
I think its B
Answered by (づ｡◕‿‿◕｡)づ
p red = 9/41
replace so independent
p blue = 10/41

9/41 * 10/41 = 90/1681
Answered by Damon
if you replaced it your events are independent
8/43 * 12/43 = 96/1849
Answered by chocolate
Thx Damon
Answered by Damon
You are welcome.
Answered by R_scott
P(red) = 8/43

P(blue) = 12/43

multiply the two probabilities (independent events)
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