Thought I'd give /sci/ a try, considering I have literally nowhere left to turn. Anyone in here good at Statistics? This is the most garbage, and abstract class I've ever taken. I need this class to graduate with (Get this) a Criminal Justice degree. Here's but one example of the SHIT I have to deal with. I am by NO MEANS a math person, especially when the words outnumber the numbers in the problem.


You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution. Your sample size is 75.

Find the critical value that corresponds to a confidence level of 98%.
(Report answers accurate to three decimal places with appropriate rounding.)

ta/2 = ±