Zara owns a hairdressing salon. she buys a pack of 60 bottles of shampoo from warehouse for $240.she plans to sell the bottles of shampoo to her customers for $5.50 .zara sells 45 bottles at $5.50 each then sells the rest with a 20% discount. calculate the total profit she makes selling all 60 bottles.

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