View the step-by-step solution to:

# A college's data about incoming freshmen indicates that the mean of their high school GPA was 3.4, with a standard deviation of 0. Let X=the GPA of...

5. A college’s data about incoming freshmen indicates that the mean of their high school GPA was 3.4, with a standard deviation of 0.35. Let X=the GPA of an incoming freshman. The students are randomly assigned to writing groups of size 49.
a. Find P( xbar ≥ 3.5)
b. For P(xbar ≤ k)=0.80 find k, ie find the 80th Percentile.

### Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

### -

Educational Resources
• ### -

Study Documents

Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

Browse Documents
• ### -

Question & Answers

Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

Ask a Question