Venn Diagram Probability

Front

What is a Venn Diagram?

Back

A Venn Diagram is a visual representation of the relationships between different sets, often used to illustrate the overlap between them.

Front

What does the intersection of two sets represent in a Venn Diagram?

Back

The intersection of two sets represents the elements that are common to both sets.

Front

What does the union of two sets represent in a Venn Diagram?

Back

The union of two sets represents all the elements that are in either set or in both.

Front

How do you calculate the probability of an event?

Back

Probability is calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

What is the formula for the probability of the union of two events A and B?

Back

The formula is P(A ∪ B) = P(A) + P(B) - P(A ∩ B).

Front

If 9 senior boys play both football and wrestling, how do you represent this in a Venn Diagram?

Back

You place the number 9 in the intersection of the two circles representing football and wrestling.

Front

How do you find the number of elements in a set that do not belong to another set?

Back

Subtract the number of elements in the intersection from the total number of elements in the first set.

Front

What is the probability that a randomly selected student plays basketball if 16 out of 31 students play basketball?

Back

Front

How many senior boys play only football if 18 play football but do not wrestle?

Back

18 senior boys play only football.

Front

How many senior boys play only wrestling if 12 play wrestling and do not play football?

Back

12 senior boys play only wrestling.