Fatima buys some bottles of coke at Rs 15 each and twice as many cans of oranges juice at Rs.25each. She also buys 10 fewer cans of lemonade than orange at Rs 20each. She spends Rs 430. How many bottles/cans of each drink did she buy.

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