Mean, Median, Mode Exercises

Exercises

Question 1

What is the mean of the numbers 8, 9, 13 and 18?

Question 2

What is the mode for the numbers 7, 6, 5, 8, 7, 5, 9, 3, 5 and 4?

Question 3 

What is the median of the numbers 4, 2, 11, 6, 2 ?

Mean, Median, Mode

Finding Central value

 

Probability Exercises

Exercises

Question 1

A die is thrown once. What is the probability that the score is a factor of 6?

Question 2

A card is chosen at random from a deck of 52 playing cards.

There are 4 Queens and 4 Kings in a deck of playing cards.

What is the probability the card chosen is a Queen or a King?
 

Question 3 

A fair coin is tossed three times. What is the probability of obtaining one Head and two Tails?

(A fair coin is one that is not loaded, so there is an equal chance of it landing Heads up or Tails up.)

Probability

Definition

How likely something is to happen.

well, yes! it's more like unpredictable.

Many events can't be predicted with total certainty. 

The best we can say is how likely they are to happen, using the idea of probability.