Li Shift Ar Ctri NAME Page 5 of 8 Question 2. This question has two unconnected

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Li Shift Ar Ctri NAME Page 5 of 8 Question 2. This question has two unconnected parts (10% of points on this question) Historically, 75% of residents in a city used public transport. The city's administrator wants to gather evidence to test whether the proportion of residents in the city who use public transport is now less than 75% State the null and alternative hypothesis for the test that the city administrator needs to carry out ) (90% of points on this question) large city recently surveyed 1,354 randomly selected streetlights, finding that 42% of them had burned out. Construct a 99% confidence interval for the proportion of the city's streetlights that are burned out. Assess all conditions, and fully explain your workings.

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Li Shift Ar Ctri NAME Page 5 of 8 Question 2. This question has two unconnected parts (10% of points on this question) Historically, 75% of residents in a city used public transport. The city's administrator wants to gather evidence to test whether the proportion of residents in the city who use public transport is now less than 75% State the null and alternative hypothesis for the test that the city administrator needs to carry out ) (90% of points on this question) large city recently surveyed 1,354 randomly selected streetlights, finding that 42% of them had burned out. Construct a 99% confidence interval for the proportion of the city's streetlights that are burned out. Assess all conditions, and fully explain your workings.

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