176,674 views
41 votes
41 votes
A bag contains 1 red beads,2 yellow beads,2 green beads and 1 blue beads

a bead is chosen at random

a)what is probability that it is green ?

b)what probability that it is green or yellow

User Ravinder Gujiri
by
3.1k points

2 Answers

10 votes
10 votes

Answer:

Explanation:

a) 2/6 = 1/3

b) green or yellow = (2/6 x 1/5) + (2/6 x 1/5) = 1/15 x 1/15 = 1/225

im not sure if my answers are correct

User Hassan Syed
by
2.7k points
18 votes
18 votes

Answer:

a) 2/6 b) 4/6

Explanation:

You add the amount of beads: 1+2+2+1= 6

And take the amount of green beads and put it over the total amount so 2/6

For b you do the same but add the green and yellow beads and put that over the total amount 4/6

User Eduardohl
by
3.3k points