Provide an appropriateTesponse.The owner of a computer repair shop has determined that their daily revenue has meanlu$7200 and standard deviation $1200. The daily revenue totals for the next 30 days willbe monitored. What is the probability that the mean daily revenue for the next 30 dayswill exceed $7500?

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Answered: Provide an appropriateTesponse. The…

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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According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the standard deviation is 3 inches. If Zsike is 67 inches tall, what is her z-score?
Almost all medical schools require applicants to take the Medical College Admission Test (MCAT). Scores on the MCAT are approximately Normal with a mean of 25 and a standard deviation of 6.5. If the School of Health Sciences interviews one WSSU student about their score on the MCAT. What is the probability that their score be between 21 and 30?
A psychologist has designed a questionnaire to measure individuals' aggressiveness. Suppose that the scores on the questionnaire are normally distributed with a standard deviation of 100. Suppose also that exactly 5% of the scores exceed 750. Find the mean of the distribution of scores. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place.
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If you buy one ticket everyday for 365 days, find the mean and standard deviation for the numbers of winning tickets in such groups of 365 tickets. Round to three decimal places
On May 16, 2017, Verdun Hayes of Somerset, Great Britain set a new Guinness World Record: the oldest ever skydiver. The World War II veteran, who fought on the beaches of Normandy in 1944, set a new record when he skydived at age 101. Suppose the ages of all skydivers follow a normal distribution with mean 52.8 years and standard deviation 10.3 years. Based on this distribution, how old must a skydiver be to fall in the top 1.32% of the distribution? 75.033 75.669 72.242 29.931
Español Valley College and Elm College are two local colleges. For each college, the distribution of the ages of faculty members is clearly bell-shaped. The ages of faculty members at Valley College have a population mean of 51 years and a standard deviation of 6.3 years. The ages of faculty members at Elm College have a population mean of 56 years and a standard deviation of 4.2 years. Maria is 67 years old and a faculty member at Valley College. Salma is 40 years old and a faculty member at Elm College. (a) Find the z-scores of Maria's age as a faculty member at Valley College and Salma's age as a faculty member at Elm College. Round your answers to two decimal places. z-score of Maria's age: z-score of Salma's age: (b) Relative to her population, who is the older faculty member? Choose the best answer based on the z-scores of the two ages. O Maria O Salma O It is unclear who is the older faculty member relative to her population Explanation 2022 Mc X Terms of Use | Privacy Center |…
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in a test of a lifelong brand of tires , a survey revealed that the mean life was 35,000 mikes and the standard deviation was 7083 mikes. if the shape of the population distribution is known to be normal, approximately what percentage of the tires lasts less than 20834 miles ?
A psychologist has designed a questionnaire to measure individuals' aggressiveness. Suppose that the scores on the questionnaire are normally distributed with a standard deviation of 100. Suppose also that exactly 10% of the scores exceed 750. Find the mean of the distribution of scores. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place.
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