Astore manager is ordering shirts for $5 each and pants for $8 each. she buys a total of 80 items at a cost of $430. the system of equations {x+y=805x+8y=430 can be used to solve for the number of shirts, x, and the number of pairs of pants, y, the manager orders.

what is the solution?

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