The scores on a test have a normal distribution with a mean of 55 and standard deviation of 8 . (a) What is the probabil

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899604
Joined: Mon Aug 02, 2021 8:13 am

The scores on a test have a normal distribution with a mean of 55 and standard deviation of 8 . (a) What is the probabil

Post by answerhappygod »

The Scores On A Test Have A Normal Distribution With A Mean Of 55 And Standard Deviation Of 8 A What Is The Probabil 1
The Scores On A Test Have A Normal Distribution With A Mean Of 55 And Standard Deviation Of 8 A What Is The Probabil 1 (28.51 KiB) Viewed 18 times
The scores on a test have a normal distribution with a mean of 55 and standard deviation of 8 . (a) What is the probability that a randomly selected student will score (i) More than 69 ? (ii) Less than 45 ? (b) In a sample of 100 students, how many would you expect to have a score between 49 and 63 ?
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”