Question

A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue?

Answer 1

@Vocaloid

Answer 2

how many blue marbles are there?
how many total marbles are there?

Answer 3

4 11

Answer 4

4 blue and 4+5+3=11

Answer 5

@Vocaloid

Answer 6

yes! so, what is the probability of getting blue?

Answer 7

4 time

Answer 8

not quite! think of it this way:

probability of getting blue = number of blue/number of total marbles

Answer 9

11

Answer 10

@Vocaloid

Answer 11

help

Answer 12

number blue marbles = ?
number of total marbles = ?

number of blue marbles/number of total marbles = ?

Answer 13

4 blue and 11

Answer 14

right! so what is the number of blue marbles/the number of total marbles?

Answer 15

4/11

Answer 16

yeah

Answer 17

so that my answer

Answer 18

yes