Challenge The price of Stock A at 9 A. M. was $13.56. Since then, the price has been increasing at the rate of $0.08 each hour. At noon the price of Stock B was $14.06. It begins to decrease at the
rate of $0.14 each hour. If the two rates continue, in how many hours will the prices of the two
stocks be the same?

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