Question

a bag contains 10 marbles four of them are red three blue two white and one yellow a marble is drawn at ramdom what is the probability that it is blue?

Answer 1

The probability is 3 out of ten / 3/10 , 0.3 , or 30%

Explanation:

So suppose you have 10 marbles infront you

Four of them are RED ΘΘΘΘ

Three of them are BLUE ΘΘΘ

Two of them are White ΘΘ

One of them is yellow Θ

We only need the probability for the blue marbles

Lets look at the blue marbles out of every other colored marble

There is ΘΘΘ (3) BLUE MARBLES out of the other 10 '

So the answer is 3 out of 10.

Answer 2

The probability can be written as;

3/10

0.3

30%

Explanation:

To determine the probability, we will find: (the number of favourable outcomes) / (the number of possible outcomes).

The favourable outcome is 3, because there are 3 blue marbles.

The possible outcome in 10, because there are 10 total marbles.

The probability is 3/10.

Let's divide: 3 ÷ 10 = 0.30

There is a 30% chance of drawing a blue marble.