X = 7.4 considered an3. In a set of scores that are normally distributed, the score three standarddeviationsbelow the mean is 11.4 and the score three standard deviationsabove the mean is 73.2. Solve for the mean and standard deviation of theset of scores.ors snend 7.4 hours sleeping at night, witha standard

We have given that, Let μ be the mean and σ be the standard deviation from the normal distribution.…

Answered: 3. In a set of scores that are normally…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Assume a mean of 105 papers and a standard deviation of 15 papers. Pays 40¢ for each paper, paper sells for 90¢, how many papers should the newsperson carry. 108 109 105 110
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Select the correct statement about the mean and median for the histogram below. 150 50 LO 5 15 The mean is likely to be larger than the median. The mean is likely to be smaller than the median. The mean and the median are likely to be approximately equal. 25
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UPVOTE WILL BE GIVEN! WRITE THE SOLUTIONS LEGIBLY. YOU MAY USE EXCEL. The average score of one of your Math exams was 75 with a standard deviation of 20. Assuming the scores are normally stributed if your corresponding z-score was 1.5. What precentage of the students got a score less than 50? a. 6.68% b. 89.44% c. 10.56% d. 22.66%
K A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.26 lb, the mean of all of the weights is x=2.312 lb, and the standard deviation of the weights is s = 1.118 lb. a. What is the difference between the weight of 5.26 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.26 lb to a z score. d. If we consider weights that convert to z scores between 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.26 lb significant? a. The difference islb. (Type an integer or a decimal. Do not round.) View an example Get more help. ... Clear all Check answer Incor

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3. In a set of scores that are normally deviationsbelow the mean is 11.4 and the score three standard deviations above the mean is 73.2. Solve for the mean and standard deviation of the set of scores. d 74 hours sleeping at night, witha standard