please help will give brainiest and im giving out all of my points if you help with these 5 questions and if both of yours don't make sense then none of you will get brainiest.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?