Question

A city council has to decide if it needs to increase the spending on the infrastructure in order to reduce traffic on the city streets. The council decides that it will increase the
transportation budget (to be spent on improving infrastructure) only if the amount of waiting time for drivers exceeds 20 minutes.
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The sample of 32 roads is collected and the data shows that the mean waiting time is 22.08 minutes with a standard deviation of 5.42 minutes. Assuming that the population
data for the waiting time is normally distributed, conduct a hypothesis test and answer the two questions that follow.
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1. Should the city council increase its transportation budget assuming the critical z-score value to be 2.05?
2. Should the city council increase its transportation budget assuming the critical z-score value to be 2.30?

Answer 1

Answer:

from where did you get this question? its exact question of my exam today.

Explanation:

Answer 2

Answer:

Explanation:

Should the city council increase its transportation budget assuming the critical z-score value to be 2.05?2. Should the city council increase its transportation budget assuming the critical z-score value to be 2.30?