Consider again the situation described in Assignment 2 Question 5: from a random sample of 60 motorists during a particular week, 9 had purchased diesel.
The owner wants to test whether this gives evidence to contradict his belief that 10% of customers use diesel.
(a) State, in words and in symbols, the hypotheses to be tested.
(b) What is the p-value?
(c) Is there evidence to reject the null hypothesis? Justify your answer.
(d) State the conclusion in context.
(e) Compare this analysis to that of Assignment 2 Question 5(c). Discuss.