MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A normal distribution has a mean of µ = 40 with σ = 10. If a vertical line is drawn through the distribution at X = 34, which proportion of the scores are on the left side of the line?
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- 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?arrow_forwardFind the proportion of Normally distributed observations with a z-score above 0.80. Give your answer to four decimal places. Find the proportion of N.d. observations with a z-score between z1= -0.34 and z2= 2.72. Give your answer to four decimal places.arrow_forwardThe mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?arrow_forward
- a normal distribution has a mean of u=60 with o=15. if one score is randomly selected from the distribution, what is the probability that the score will be greater than x=35arrow_forwardSketch the normal distribution with a. µ = -2 and σ = 2.b. µ = -2 and σ = 1/2.c. µ = 0 and σ = 2.arrow_forwardWrite the formulae Given a normal distribution with mean of 12 & standard deviation of 2. What is the P (11 ≤ x ≤ 13)?arrow_forward
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