4.10.13 question a mass weighing 64 lb is attached to a spring hanging from the ceiling and comes to rest at its equilibrium position. at time t 0, an external force of f(t)= 3 cos 3t lb is applied to the system. if the spring constant is 15 lb/ft and the damping constant is 2 lb-sec/ft, find the steady-state solution for the system. use g 32 ft/sec the steady-state solution is y(t)-

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