Register
John has 3 red markers and 5 blue markers. What is the probability that he picks a red marker, and then, without replacing it, selects another red marker?
57.3k views
0 votes
John has 3 red markers and 5 blue markers. What is the probability that he picks a red marker, and then, without replacing it, selects another red marker?

User Rzysia
by
7.8k points

1 Answer

2 votes
first time he picks a marker there is a 3/8 chance because 3 markers out of all the markers.

second time there is a 2/7 chance because there are only 7 markers left and 2 markers of those are red

so it would be 3/8 times 2/7 or about .107
User CBGraham
by
8.7k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
Link Copied!