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

Answered: Image /qna-images/answer/1288bde0-b6c1-4652-9b5e-becee1ea5629.jpg

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
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
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
What proportion of a normal distribution corresponds to z scores greater than -0.82? Question 10 options: 0.2061 0.2939 0.5000 0.7939

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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