Susan has a jar that contains 6 pink marbles and 7 purple marbles.She randomly draws another marbles.What is the probability of drawing 2 purple marbles if the marbles we drawn.

A. Without replacement? B.With replacement?

Question

Susan has a jar that contains 6 pink marbles and 7 purple marbles.She randomly draws another marbles.What is the probability of drawing 2 purple marbles if the marbles we drawn.

A. Without replacement?        B.With replacement?

anonymous · Answer

I am not sure if I remember this, its been a while.  so it maybe a bit rusty

a)  $$7/15 * 6/14$$
b) $$7/15 * 7/15$$

anonymous · Answer

Thank you