Jasmine is thinking of a two-digit number. When the ones digit is subtracted from the tens digit, the difference is 3. One half of the number is 5 more than three times the sum of the digits. If x represents the ones digit and y represents the tens digit, which of the system of equations shown above represents the situation?

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