Question

HELP PLEASE ASAP!!!! FAN + MEDAL!

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn.

1. What is the probability of selecting a purple marble and then a white marble?

2. What is the probability of selecting two white marbles?

3. Is there a greater chance of selecting two white marbles in a row or two purple marbles in a row?

Show your work.

Answer 1

Hmmmmm

Answer 2

@Here_to_Help15

Answer 3

@sammixboo

Answer 4

@Samus_Aran

Answer 5

1.pulling out a purple will be 7\9 then if u don't replace it it will be it would be 2\8

Answer 6

As the 2 pulls are independent the 2 individual probabilities are multiplied

Answer 7

so 1 would be 7/9 * 2/8

Answer 8

0.195?

Answer 9

its closer to 0.194 but you can write it as a fraction in its simplest form
7/36