Final Probability Test

It is (a)   that the day after Wednesday is Sunday.

• Certain

• Likely

• Unlikely

• Impossible

My teacher chooses a number between one and one hundred. It is (a)   that I will guess the number correctly.

• Certain

• Likely

• Unlikely
• Impossible

2. Two fair dice are each numbered from 1 to 6.

The dice are rolled.

The numbers are added together to make a total.

Jack says, ‘The totals 3 and 9 are equally likely.

Explain why Jack is not correct.

Maria rolls an ordinary fair six-sided die. What is the probability of obtaining a composite number?

Maria rolls an ordinary fair six-sided die. What is the probability of obtaining a number less than 5?

Two fair coins are tossed once. Calculate the probability of obtaining no tail.

Complete the table with the missing probability value.

The probability of picking a red sweet from a bag is 0.05. Find the probability of not picking a red sweet.

On any day, the probability that Marcus will get a seat on the school bus is 0.93.

There are 200 school days in a year.

Work out the expected number of days in a year that Marcus will not get a seat.