Which statement about rational and irrational numbers is always true? A. Any irrational number multiplied by any non-zero rational number is equal to a rational number.
B. Any irrational number multiplied by any non-zero rational number is equal to an irrational number.
C. Any irrational number added to any rational number is equal to a rational number.
D. Any irrational number added to any irrational number is equal to a rational number. ​

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