(b) A nutritionist claims that the mean local fruit consumption by a person in Kuala Lumpur is 3.4 kg per month. A sample of 60 people in the state shows that the mean local fruit consumption by a person is 3.2 kg per month with standard deviation of 1.13 kg. At =0.08, can you reject the nutritionist's claim? Assume the population is normally distributed. (7 marks) c) A two dice are rolled. What is the probability of at least one of the dice rolling a 6? (2 marks) (d) Researchers want to estimate the average yearly income of doctors who earned their degrees from public institutions. A random sample of 20 doctors has a mean income of RM145580 and standard deviation of RM13200. Constructs a 95% confidence interval of the average income. Interpret your answer. (3 marks)