What is the probability of drawing a picture card that is a heart from a normal deck of cards?

The adjacent Venn diagram shows 25 people who travel to work. B = bicycle, T = train, W = walk. Write down which events are mutually exclusive.

2 dice are rolled. What is the probability of getting a sum less than 7 or a sum equal to 11?

2 dice are rolled. What is the probability of getting a sum less than 7 and a double?

Two six-sided dice are thrown. What is the probability that the score on the first die is \(2\) or the score on the second die is \(3\)?

There are \(24\) children in a class and they all have at least one cat or one dog. \(11\) children have a cat and \(16\) children have a dog. 

What is the probability that a child chosen at random from the class has both a cat and a dog?

In a group of \(21\) girls, \(16\) play hockey and \(18\) play netball. 

What is the probability that a girl chosen at random plays hockey but not netball?

Two six-sided dice are rolled. What is the probability of getting a sum which is less than \(4\) or a sum which is a perfect cube?

Two six-sided dice are rolled. What is the probability of getting a sum which is a multiple of \(3\) or a sum which is an odd number?