8. The average score on Statistics and Probability Summative Test is 40 points with a standard deviation of 4. What is the probability that Beth's score is 25 points? A. -3.75% B. -0.009% C. 0.009% D. 3.75%
8. The average score on Statistics and Probability Summative Test is 40 points with a standard deviation of 4. What is the probability that Beth's score is 25 points? A. -3.75% B. -0.009% C. 0.009% D. 3.75%
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Solve for number 8.

Transcribed Image Text:6. Find the z-scores that bound the middle 85.02% of the area under the
standard normal curve.
A. (-1.44, 1.44)
7. Which of the following graph is the correct illustration of the notation
P(Z < a)U P(Z > b)?
B. (-1.44, -1.78)
C. (1.44, 1.78)
D. (-1.78, 1.78)
А.
В.
С.
D.
8. The average score on Statistics and Probability Summative Test is 40 points
with a standard deviation of 4. What is the probability that Beth's score is
25 points?
A. -3.75%
B. -0.009%
C. 0.009%
D. 3.75%
9. A set of data is normally distributed with a mean of 40 and a standard deviation
of which interval of the variable defines an area under the curve corresponding
to a probability of approximately 95.44 %?
A. (37,40)
B. (34,43)
C. (34,46)
D. (37,46)
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