Question
A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. What is P(red,then blue)?
A. 77/164
B.19/41
C.90/1681
D. 45/41
A. 77/164
B.19/41
C.90/1681
D. 45/41
Answers
Reiny
P(red, then blue)
= (9/41(10/41)
= 90/1681
= (9/41(10/41)
= 90/1681