A spinner has sections that are coloured red, blue, green and yellow. The probabilities of getting a red and getting a blue are shown in the table. The probability of getting green is twice that of getting yellow.

Colour	Red	Yellow	Blue	Green
Frequency	$0.4$		$0.3$

Find the probability of getting green.

At a school charity fundraising gala Sebastian decides to buy a ticket for the raffle. There are $360$ people at the gala in total. Half of the people at the gala buy raffle tickets. Of those who buy raffle tickets, half buy two raffle tickets and the rest buy one ticket. There is only one winner of the raffle. What is the probability that Sebastian will win?

The table shows the relative frequencies of the ages of students at a high school.

A student is randomly selected from this school. Find the probability that the student is $15$ years old.

The table shows the relative frequencies of the ages of students at a high school.

A student is randomly selected from this school. Find the probability that the student is $16$ years of age or older.

The table shows the relative frequencies of the ages of students at a high school.

There are $1200$ students at this school. Calculate the number of $15$ -year-old students at school.

The sides of a six-sided spinner are numbered from $1$ to $6$ . The table shows the results for $100$ spins.

What is the relative frequency of getting a $1$?

The sides of a six-sided spinner are numbered from $1$ to $6$ . The table shows the results for $100$ spins.

Do you think the spinner is fair? Give a reason for your answer.

The sides of a six-sided spinner are numbered from $1$ to $6$ . The table shows the results for $100$ spins.

The spinner is spun $3000$ times. Estimate the number of times the result will be a $4$.

An eight-sided dice numbered from $1$ to $8$ is rolled $80$ times to determine whether it is fair.

If the dice is fair, how many of each number would you expect to get?