Suppose that the distribution of scores of 1,000 students who take a standardized intelligence test is a normal distribution. Also suppose that the distribution's mean is 475 and itsstandard deviation is 20.a) How many scores do we expect to fall between 435 and 515?b) How many scores do we expect to fall below 435?score(s) fall between 435 and 515.a) It is expected that(Round to the nearest whole number as needed.)

Answered: Image /qna-images/answer/bc376100-dd5a-4a2f-ba24-7b47ae642dac.jpg

Answered: Suppose that the distribution of scores…

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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Suppose that you have a set of data that has a mean of 34 and a standard deviation of 6. a) Is the point 28 above, below, or the same as the mean. How many standard deviations is 28 from the mean. b) Is the point 46 above, below, or the same as the mean. How many standard deviations is 46 from the mean. c) Is the point 43 above, below, or the same as the mean. How many standard deviations is 43 from the mean. d) Is the point 20 above, below, or the same as the mean. How many standard deviations is 20 from the mean.
At a college the scores on the chemistry final exam are approximately normally distributed, with a mean of 73 and a standard deviation of 11. The scores on the calculus final are also approximately normally distributed, with a mean of 78 and a standard deviation of 12. A student scored 79 on the chemistry final and 81 on the calculus final. Relative to the students in each respective class, in which subject did the student do better? a) Calculus b) There is no basis for comparison c) Chemistry d) The student did equally well in each course e) None of the above
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A data set consisting of 175 standardized test scores is known to have a bell-shaped (normal) distribution with a mean of 71 and a standard deviation of 9. Use the Empirical Rule to address the following questions. Hint: sketch the distribution to help visualize the problem. Approximately 95% of the test scores lie between 53 and 89 What approximate percentage of the test scores lie between the scores 44 and 98? What approximate percentage of the test scores lie between the scores 62 and 80? 68 Question Help: Video Submit Question
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