Water stations will be placed every 400 meters of a 5 - kilometer race. how many water stations are needed? (hint 1 kilo=1,000 meters)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50

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