A basketball player has the following points for seven games: 20, 25, 32, 18, 19, 22, and 30. Compute the following measures:

a) Compute the sample mean (the average of the points of each game) (1 mark)

b) Compute the sample median (2 mark)

c) Compute the variance and the standard deviation (2 marks)

Question 2: (5 marks)

Suppose during weekends, 55 percent of adults go to the beach, 45 percent go to the cinema, and 10 percent go to both the beach and the cinema.

a) What is the probability that a randomly chosen adult does not go to the cinema? (1 marks) b) What is the probability that a randomly chosen adult go to the beach or the cinema or both? (2 marks)

c) What is the probability that a randomly chosen adult doesn't go to the beach or the cinema? (2 marks)

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