To determine whether a business is making enough profit, the following formula is used:
p=(s-c)/s
where P is relative profit, S is sales and C
is costs. If a company has $340 000 worth
of sales and $230000 of costs, correct to 2 significant figures

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