A normal distribution has a mean of p=40 with a 10. a vertical lineis drawn through the distribution at X= 55, what proportion of thescores are on the right side of the line?Question 20 options:0.30850.69150.066809332

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Answered: A normal distribution has a mean of…

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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Find the proportion of Normally distributed observations with a z-score below 0.82. Give your answer to four decimal places. Find the proportion of Normally distributed observations with a z-score above -2.84. Give your answer to four decimal places. Find the proportion of N.d. observations with a z-score between z1= -2.58 and z2= 3.18. Give your answer to four decimal places.
What is the proportion of the normal distribution that is located beyond z = 2.20? a. 0.9861 b. 0.0139 c. 0.4878 d. 0.0456
What proportion of a normal distribution is located between the mean and z = 1.40? a. 0.9192 c. 0.4192 b. 0.0808 d. 0.8384
Given the normal distribution represented by X ~ N(81.8, 3.4). Find the 70th percentile to the nearest tenth. a.85.7 b.87.7 c.83.6 d.85.6
A normal distribution has a mean of u = 80 with a = 20. What score separates the highest 15% of the distribution from the rest of the scores? Question 9 options: X = 59.2 X = 100.8 X = 95 X = 65
4. Which proportion of a normal distribution is located between the mean and z = +1.40? 5. A vertical line drawn through a normal distribution at z = +2.11 separates the distribution into two sections, the body and the tail. Which proportion of the distribution is in the tail?
Among freshmen at a certain university, scores on the Math SAT followed the normal curve, with an average of 550 and an SD of 100. The SAT score of a student whose score is at the 75th percentile is closest to what value? 665 590 690 620
Among freshmen at a certain university, scores on the Math SAT followed the normal curve, with an average of 550 and an SD of 100. The SAT score of a student whose score is at the 99th percentile is closest to what value? Group of answer choices 780 400 760 805
A vertical line is drawn through a normal distribution at z = 1.20. What proportion of the distribution is on the left-hand side of the line? Question 6 options: 0-8849 0-1151 0.3849 0.7698
What is the proportion that lies between the z scores under the normal curve? A. 1.00 and -1.00 B. 1.96 and -1.96 C. 2.58 and -2.58 D. 0.00 and 1.00 E. 1.50 and 0.10 F. 2.00 and 0.80
After 4 points are added to every score in a distribution, the mean is calculated and found to be μ = 26. What was the value of the mean for the original distribution? A. 30 B. Cannot be determined from the information given C. 34 D. 22
What percentage of scores fall between the mean and a z score of 1.17? Question 6 options: 6.75 percent 13.59 percent 34.13 percent 37.90 percent

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A normal distribution has a mean of p=40 with a 10. a vertical line is drawn through the distribution at X= 55, what proportion of the scores are on the right side of the line? Question 20 options: 0.3085 0.6915 0.0668 09332