Question

Ill give medal!






There are 35 marbles in a bag: 9 blue marbles, 8 green marbles, 4 red marbles, 8 white marbles, and 6 yellow marbles. Find P(red). Write the probability as a fraction in simplest form, a decimal, and a percent.

A) 4/31, 0.129, 12.9%
B) 4/35, 0114, 11.4%
C) 1/7, 0.143, 14.3%
D) 3/35, 0.086, 8.6%

Answer 1

How many total marbles are there?

Answer 2

315

Answer 3

?

Answer 4

Check again

Answer 5

35

Answer 6

you mean like red and etc

Answer 7

Yep, and how many red marbles are there?

Answer 8

29

Answer 9

4

Answer 10

Check again

Answer 11

Yep, so the probability of picking a red is 4/35

Answer 12

so can you tell me how you got that

Answer 13

Probability is always the amount you want over the total amount.

Since we want the probability of red, we find the amount of red marbles and write it as a fraction over the total.

Red marbles = 4
Total marbles = 35

4/35

Answer 14

ok thanks :) now i understand and can do this for my other problems.