Use the Empirical Rule to solve. The graph illustrates a normaldistribution for the prices paid for a particular model of HDtelevision. The mean price paid is $2000 and the standard deviationis $60.1820 18801940 2000 2060 2120 2180Distribution of PricesWhat is the approximate percentage of buyers who paid less than$1820?What is the approximate percentage of buyers who paid more than$2120?2.5What is the approximate percentage of buyers who paid between$2000 and $2120?OWhat is the approximate percentage of buyers who paid between$1940 and $2060?68Submit QuestionWhat is the approximate percentage of buyers who paid between$1940 and $2000?1%0%What is the approximate percentage of buyers who paid between$2000 and $2180?IEnter an integer or decimal number [more..]Question Help:Video 1 Video 2Q12

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Answered: Use the Empirical Rule to solve. The…

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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Curving Grades on an Exam A statistics instructor designed an exam so that the grades would be roughly normally distributed with mean u = 75 and standard deviation o = 10. Unfortunately, a fire alarm with ten minutes to go in the exam made it difficult for some students to finish. When the instructor graded the exams, he found they were roughly normally distributed, but the mean grade was 62 and the standard deviation was 20. To be fair, he decides to "curve" the scores to match the desired N (75, 10) distribution. To do this, he standardizes the actual scores to z-scores using the N (62, 20) distribution and then "unstandardizes" those z-scores to shift to N (75, 10). What is the new grade assigned for a student whose original score was 45? Round your answer to the nearest integer. New score= How about a student who originally scores an 85? Round your answer to the nearest integer. New score= Click if you would like to Show Work for this question: Onen Show Work
SC 16% 2.5% -40 -30 -20 -10 10 20 30 40 Start by drawing a normal curve, then label the horizontal axis with the mean, u, in the center and three standard deviations on both sides of the mean. The standard deviations to the left of the mean are negative and the standard deviations to the right of the mean are positive. We know that the area under the curve is 1. To find the area of the shaded region, subtract the areas that we know. We know that the area to the left of-1o is 16% and the area to the right of 20 is 2.5%.. 1 – 0.16 - 0.025 = 0.815 = 81.5%. The area is the same as the probability, which is 81.5%. 2. What is the probability of the data is within 2 standard deviations of the mean? Draw a normal curve and then find the probability. The probability is %. Click to view explanation 3. What is the probability of the data to the left of u? Draw a normal curve and then find the probabilities. The probability is %. Click to view explanation 4. What is the probability of the data…
safety monitors the number of driving on influence arrests and is interested in the distribution of arrests in the month of december over the last 5 years . The data are. 82 71 95 80 97 find the standard deviation
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Using the image answer the following. Sketch the distribution of daily water use (in gallon) per household in North America. Clearly label x and y-axis.
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Use the Empirical Rule to solve. The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $2000 and the standard deviation is $60. 1820 1880 1940 2000 2060 2120 2180 Distribution of Prices O