Antonio Rodrigo purchased a $395.99 filing system, $88.99 in office supplies, and an office chair for $106.95.
a. What is the total selling price?
b. What is the total sales tax if he lives in New Orleans,
Louisiana, where the state tax is 4% and the city tax is 4%?

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