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**xfyz** An airport executive wants to know the number of on-time arrivals at the airport yesterday.

a) How can you use statistical inference to answer his question?

b) Which variables would you collect and how many observations would your dataset hold?

c)What is the population of interest? Sample?

d) Parameter?

e) What is an example of a statistic?

a) Estimating how many flights were scheduled for yesterday.

b)

c) People on board that arrived to their destination. Sample by gathering the # of people that arrived on time

d)parameter - proportion of people that arrived on time

e)mean number of on-time arrivals

can someone help me with this problem? I missed the class first day and didn't really get to learn this material. I tried to learn by reading the book and sorta applying it on this problem. thanks for any help.