Multiple Choice
The average score of 100 students taking a statistics final was 70 with a standard deviation of 7.
Assuming a normal distribution, approximately how many scored 90 or higher?
A) 0.4979
B) 0.0021
C) 0.9979
D) 2.86
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q54: A loaf of bread is normally distributed
Q55: Management is considering adopting a bonus system
Q56: One classic use of the normal distribution
Q57: A sample of 500 evening students revealed
Q58: A sample of 500 evening students revealed
Q60: Ball-Bearings, Inc. produces ball bearings automatically on
Q61: The average score of 100 students taking
Q61: Which of the following is NOT a
Q62: Determine the z-score associated with an area
Q63: A sample of 500 evening students revealed