Ivan plans to reorganize the music on his mp3 players . he has 9 1/3 music of rock and hip-hop . after the change he is planning , he will have 2 4/5 times as many hours if rock and hip-hop music on his mp3 players . is ivan planning to add or remove rock and hiphop music from his mp3 players . explain how you know

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