Robert is scuba diving off the coast of australia. when he is ready to come back to the surface, he rises 36 meters at a safe speed. he climbs 30 centimeters every second. how many seconds will it take him to reach the surface?

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