12. If we assume the participants in the survey of 100 students are a "typical” sample of students. What is the probability of selecting a student with an intellegence rating of 6?
Make sure to show your calculations for full credit.
or 9?

13. What is the probability of selecting student with a Intellegence Rating of
or 9). Use the Addition Rule. Show your work for full credit.

Part 3
A survey is taken on average commute time to work. The mean and standard deviation
of the survey are as follows:
Mean commute time: 30 minutes
Standard deviation: 10 minutes

ASAP PLZ please answer each question with showing the steps explanation.