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20. What is the probability of z value indicated by (Z <-1.78)? d. 0.9633 a. 0.0375 b. 0.3075 c. 0.9625

20. What is the probability of z value indicated by (Z <-1.78)? d. 0.9633 a. 0.0375 b. 0.3075 c. 0.9625

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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Please answer only the item 21 to 25
20. What is the probability of z value indicated by (Z <-1.78)? a. 0.0375 b. 0.3075 c. 0.9625 d. 0.9633 21. Find the probability value of (Z > -1.00). a. 15.87% b. 34.13% c. 84.13% d. 90.13% 22. Compute the probability value of (-1.35 <Z <2.75) a. 90.85% b. 99.70% c. 0.9085 d. 90.79 23. The average score on Statistics and Probability First Quarterly Assessment is 35 points with a standard deviation of 5. What is the probability that Beth's score is less than 45 points? a. -2 b. 2 c. 2.28% d. 97.72% 24-25. Find the z-scores that bound the middle 92.50% of the area under the standard normal curve. a. -1.44, 144 b. -1.44, -1.78 c. 1.44, 1.78 d. -1.78, 1.78
Transcribed Image Text:20. What is the probability of z value indicated by (Z <-1.78)? a. 0.0375 b. 0.3075 c. 0.9625 d. 0.9633 21. Find the probability value of (Z > -1.00). a. 15.87% b. 34.13% c. 84.13% d. 90.13% 22. Compute the probability value of (-1.35 <Z <2.75) a. 90.85% b. 99.70% c. 0.9085 d. 90.79 23. The average score on Statistics and Probability First Quarterly Assessment is 35 points with a standard deviation of 5. What is the probability that Beth's score is less than 45 points? a. -2 b. 2 c. 2.28% d. 97.72% 24-25. Find the z-scores that bound the middle 92.50% of the area under the standard normal curve. a. -1.44, 144 b. -1.44, -1.78 c. 1.44, 1.78 d. -1.78, 1.78
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