Aplane that carries mail makes a round trip each day from chicago to new york. it makes 2 intermediate stops on the way to new york and 3 intermediate stops on the way back to chicago. suppose you make a graph of the altitude of the plane for one day, with time on the horizontal axis and altitude on the vertical axis. how many times will the graph touch the horizontal axis?
a.
5
b.
13
c.
7
d.
8

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain