Assume a jar has 7 red marbles and 5 black marbles. Draw out 3 marbles with and without replacement. Find the requested probabilities.
(a) P(3 red marbles)
With replacement , without replacement .
(b) P(3 black marbles)
With replacement , without replacement .
(c) P(one red and two black marbles)
With replacement , without replacement .
(d) P(red on the first draw and black on the second draw and black on the third draw)
With replacement , without replacement .

Hey! We 've verified this expert answer for you, click below to unlock the details :)

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

a) with replacement:
P(3 red) = P(1st red). P(2nd red). P(3rd red)=(7/10)(7/10)(7/10)=343/1000

wouldnt it be 7/12? not 7/10?

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

Looking for something else?

Not the answer you are looking for? Search for more explanations.