A box has 1 red marble, 3 blue marbles, and 4 green marbles. Maya draws a blue marble randomly from the box, replaces it, and then draws another marble randomly. What is the probability of drawing 2 blue marbles in a row? Explain your answer.

Question

taramgrant0543664 · Answer

There are a total of eight marbles that she can draw. Each time she draws there is 3 blue marbles that she can pick. So her chance of picking one blue marble out of the bad is 3/8

anonymous · Answer

find the probability of drawing one blue marble

anonymous · Answer

then do that times the same probability

anonymous · Answer

so 3/8*3/8

taramgrant0543664 · Answer

Since she wants two blue marbles her chance of picking a blue marble the second time is also still 3/8 since she put the marble back in after she drew it the first time

taramgrant0543664 · Answer

So then the overall probabity is just multiplying the two probabilities together 
3/8 * 3/8

anonymous · Answer

exactly