Question

A bag contains two red marble and five blue marbles. You draw a marble, record it's color, replace it, and then drawl a second marble. What is the probability that you will draw a blue marble at least once?
A) 0.28
B) 0.49
C) 0.71
D) 0.92
@CollateralDamage
@dan815

Answer 1

i say c

Answer 2

there r 7 marbles in all, 5 r blue

Answer 3

so 5/7 is 0.71428571428

Answer 4

@tyann1098