Question 3 According to the Australian Bureau of Statistics (ABS) data, 40% of Australians above the age of 65 have chronic heart disease. Suppose you live in a state where the environment is conductive to good health and low stress, and you believe the conditions in your state promote healthy hearts. To investigate this theory, you conduct a random telephone survey of 20 persons over 65 years of age in your state. Answer the following questions. a) Based on the data from the ABS, calculate the expected number of persons in your survey who have a chronic heart condition. [2 mark] b) Calculate the probability that no more than 1 person in your survey has a chronic heart condition. [4 marks] c) Calculate the probability that more than 1 person in your survey have a chronic heart condition. [2 marks] [Question 3= 8 marks]