Suppose a sample of 155 students at a university were asked their grade in statistics. 21 said they made A's. Is the use of the Normal approximation justified in this case? a. Yes, because successes and failures are both more than 10. b. Yes, because total sample size is greater than 30. c. No, because number of successes is less than 30. rith reason
Suppose a sample of 155 students at a university were asked their grade in statistics. 21 said they made A's. Is the use of the Normal approximation justified in this case? a. Yes, because successes and failures are both more than 10. b. Yes, because total sample size is greater than 30. c. No, because number of successes is less than 30. rith reason
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON