Calculating theoretical probabilities from Venn diagrams (two events) | Exit Quiz | Oak National Academy

Using this Venn diagram, what is the probability of an object being randomly selected from B?

Answer explanation

There are 5 objects in B, and 7 objects overall.

Using this Venn diagram, what is the probability of an object being randomly selected that is in A and B?

Answer explanation

There are 3 objects in the intersection of A and B, and 7 overall.

Using the diagram, what is P(A and not B)?

Answer explanation

There is 1 object in A that is not also in B, and 7 overall.

Using the diagram, what is P(not A and not B)?

Answer explanation

There is 1 object not in A or B, and 7 overall.

Using the diagram, what is P(not A and not B)?

Answer explanation

There are 2 objects not in A or B, and 7 overall.

Using the diagram, what is P(A and B)?

Answer explanation

There is 1 object in A and B, and 7 overall.