Topic 13 Probability (13.1 - 13.2)

Two unbiased dice are thrown.

Find the porbability that:

When the two numbers are added the total is exactly 6.

Give your answer in simplified fraction.

(a)  

Two unbiased dice are thrown.

Find the porbability that:

When the two numbers are added the total is exactly 7.

Give your answer in simplified fraction.

(a)  

Two unbiased dice are thrown.

Find the porbability that:

When the two numbers are added the total is exactly 12.

Give your answer in simplified fraction.

(a)  

Two unbiased dice are thrown.

Find the porbability that:

When the two numbers are added the total is 6 and above.

Give your answer in simplified fraction.

(a)  

Here is a spinner.

Give the probability that the colour RED will be choosen.

Give your answer in simplified fraction.

(a)  

There are many coloured balls in a box. The percentages of getting each of the colours are:

red:10% blue:15% green:25% yellow:5% purple:20% orange:25%

Find the probability that the ball is NOT YELLOW.

Give your answer is simplified fraction.

(a)  

There are many coloured balls in a box. The percentages of getting each of the colours are:

red:10% blue:15% green:25% yellow:5% purple:20% orange:25%

Find the probability that the ball is RED.

Give your answer is simplified fraction.

(a)  

Two fair coins are flipped.

Find the probability of getting one HEAD and one TAIL.

(a)  

A fair coin and a fair dice are thrown.

Find the probability of 5 and HEAD.

Give your answer in simplified fraction.

(a)  

A fair coin and a fair dice are thrown.

Find the probability of a HEAD and a number 5 and above.

Give your answer in simplified fraction.

(a)