At a carnival game, you'll win a prize if you pick a rubber duck out of a pool that has a red dot on the bottom. If only 3 ducks out of 95 present have such a dot, what is your probability of winning a prize?
What will be an ideal response?
Question 2
An article in a professional journal reports the zscore for the study's sample mean was 1.4 . The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102 . However, they did not give the population standard deviation. What was their population standard deviation?
What will be an ideal response?
