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7. Which of the following graph is the correct illustration of the notation P(Z< a)U P(Z > b)? А. В. С. D.

7. Which of the following graph is the correct illustration of the notation P(Z< a)U P(Z > b)? А. В. С. D.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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)
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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