Draw a vertical line through a normal distribution for each of the following z- score locations
(c) z = -1.50 (d) z = - 0.70
Homework Answers
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to these Z scores.
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Draw a vertical line through a normal distribution for each of the following z- score locations
A vertical line is drawn through a normal distribution at z = 1.20. What proportion of...
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? 0.8849 OR 0.1151 ???
A vertical line drawn through a normal distribution at z = –1.00 separates the distribution into...
A vertical line drawn through a normal distribution at z = –1.00 separates the distribution into two sections, the body and the tail. What proportion of the distribution is in the body? Group of answer choices 0.3413 0.1587 0.8413 -0.1587
- What proportion of a normal distribution is located between each of the following Z-score boundaries?...
What proportion of a normal distribution is located between each of the following Z-score boundaries? a. z= -0.50 and z= +0.50 b. z=-0.90 and z= +0.90 c. z=-1.50 and z= 1.50 For a normal distribution with a mean of μ = 80 and a standard deviation of σ= 20, find the proportion of the population corresponding to each of the following. a. Scores greater than 85. b. Scores less than 100. c. Scores between 70 and 90. IQ test scores are standardized to produce a normal distribution with...
Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and...
Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. z 0.8438 A graph with a bell-shaped curve, divided into 2 regions by a line from top to bottom on the right side. The region left of the line is shaded and is labeled 0.8438. The indicated z score is (Round to two decimal places as needed.)
4 pts Question 47 8, find the Z-score corresponding to each of the following X For...
4 pts Question 47 8, find the Z-score corresponding to each of the following X For a population with a h = 40 and o = values: a. X-42; b. X-52; c. X=36; d. X-32 HTML Editor A population of scores with a u = 43 and o = 8 is standardized to create a new population distribution with a fi = 50 and o = 10. What is the new X value for each of the following scores from...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 8 points. For a population with u = 50 and o= 8, find the z-score for each of the following X values. a. X= 54 b. X= 62 c. X= 52 d. X=...
Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and...
Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. A symmetric bell-shaped curve is plotted over a horizontal scale with two labeled coordinates. One coordinate is labeled "0" and is located at the center and peak of the curve. The other coordinate is labeled "z," and is to the left of 0. A vertical line extends from the scale to the curve at z. The area under the curve to...
Standard Normal distribution. With regards to a standard normal distribution complete the following: (a) Find P(Z...
Standard Normal distribution.
With regards to a standard normal distribution complete the following: (a) Find P(Z > 0), the proportion of the standard normal distribution above the z-score of 0. (b) Find P(Z <-0.75), the proportion of the standard normal distribution below the Z-score of -0.75 (c) Find P(-1.15<z <2.04). (d) Find P(Z > -1.25). (e) Find the Z-score corresponding to Pso, the 90th percentile value.
Identify the Z-Score value corresponding to each of the following locations: Below the mean by a...
Identify the Z-Score value corresponding to each of the following locations: Below the mean by a standard deviation of 1 Above the mean by a standard deviation of 1 and 1/2 Below the mean by standard deviation of 3/4 Above the mean by a standard deviation of 2 and 7/8 a. Z = 1.00 Z = 1.50 Z = .75 Z = 2.875 b. Z = -1.00 Z = +1.50 Z = -.75 Z = +2.875 c. Z = +1.00...
Assume a normal distribution with μ = 0 and σ = 1, find the z-score(s) for...
Assume a normal distribution with μ = 0 and σ = 1, find the z-score(s) for each statement below: a) the area is 0.8 to the left of z b) the area is 0.11 to the right of z c) the middle area is 0.45 between −z and z ;
4 pts Question 47 8, find the Z-score corresponding to each of the following X For a population with a h = 40 and o = values: a. X-42; b. X-52; c. X=36; d. X-32 HTML Editor A population of scores with a u = 43 and o = 8 is standardized to create a new population distribution with a fi = 50 and o = 10. What is the new X value for each of the following scores from...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 8 points. For a population with u = 50 and o= 8, find the z-score for each of the following X values. a. X= 54 b. X= 62 c. X= 52 d. X=...
Standard Normal distribution.
With regards to a standard normal distribution complete the following: (a) Find P(Z > 0), the proportion of the standard normal distribution above the z-score of 0. (b) Find P(Z <-0.75), the proportion of the standard normal distribution below the Z-score of -0.75 (c) Find P(-1.15<z <2.04). (d) Find P(Z > -1.25). (e) Find the Z-score corresponding to Pso, the 90th percentile value.
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