A mandatory competency test for high school sophomores has a normal distribution with a mean of 400 and a standard deviation of 100. the bottom 1.5% of students must go to summer school. what is the minimum score you would need to stay out of this group?

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