224k views
9 votes
a bag contains 4 blue and 6 green marbles. two marbles are selected at a random from the bag. if the first marble is not replaced before the second marble is drawn

User Mark Miles
by
6.5k points

1 Answer

9 votes

Answer:

4 ÷ 10

Explanation:

The computation of P is shown below:

If we add two marbles i.e.

= 4 + 6

= 10 marbles

Now if we draw the second marble

P(blue) = Blue marbles ÷ total marbles

= 4 ÷ 10

In the other case

P( blue second given a green first) = 4 ÷ 10

User Miaubiz
by
6.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.