Cynthia Knott's oyster bar buys fresh Louisiana oysters for $3 per pound and sells them for $9 per pound. Any oysternot sold that day are sold to her cousin, who has a nearby grocery store, for $2 per pound. Cynthia believes thatdemand follows the normal distribution, with a mean of 100 pounds and a standard deviation of 17 pounds. How manpounds should she order each day? Refer to the standard normal table for z-values.Cynthia should order pounds of oysters each day (round your response to one decimal place).

Answered: Cynthia Knott's oyster bar buys fresh…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Select ALL the ways that variation in the data can be measured below. A. The mean of the data B. The mode of the data C. The interquartile range (IQR) of the data D. The standard deviation of the data E. The variance of the data F. The range of the data G. The coefficient of variation
If the students read only 101 books for the month of June, which measure of central tendency will have the greatest change? A. The median will have the greatest change. B. The mean will have the greatest change. C. All measures will have an equal change. D. The mode will have the greatest change.
What is the relationship between the variance and the standard deviation for a sample data set? A. The standard deviation is equal to half the variance. B. The standard deviation is equal to two times the variance. C. The standard deviation is the square root of the variance. D. The standard deviation is the square of the variance.
Nathan takes the State Aptitude Assessment, which has a mean of 350 and a standard deviation of 50. His brother Kyle takes the Regional Readiness Test, which has a mean of 300 and a standard deviation of 45. If Kyle's score was 375, what is the cooresponding z score? a. +2.22 b. +1.00 c. +1.67 d. -1.67
Four students take tests. The results of each test for the class and the student are listed in the choice. Which student has the highest Z Score? a.John who scored an 85 and whose class averages 77 with a standard deviation of 4. b.Tammy who scored an 86 and whose class averages 82 with a standard deviation of 3. c.Rob who scored an 87 and whose class averages 73 with a standard deviation of 11. d.Sandra who scored a 90 and whose class averaged an 81 with a standard deviation of 7.
Find the standard deviation for the following data set. 2, 2, 2, 5, 5, 6, 6, 8, 8, 9 A. 2.49 B. 2 C. 5 D. 6.21 Which is the correct answer?
Many college admissions want to know your class percentage in addition to your grades. The grades are normally distributed. A certain university insists that a student place in at the 90th percentile. if the mean is 79.45 and the standard deviation is 5.37, what is the 90th percentile? a.88.07 b.85.01 c.86.33 d.90
You are considering taking two professors for a statistics course. Both professors have an average of 65%. The first professor has a standard deviation of 1%. The second professor has a standard deviation of 15%. Which professor do you have a better chance of passing with?
This is math economics
Which of the following data sets has the smallest standard deviation? a. 1, 2, 3, 4, 5 b. 100, 100, 100, 100, 100 c. 100, 101, 102, 103, 104 d. 2, 4, 6, 8, 10
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. According to the standard deviation rule, almost 2.5% of the students spent more than what amount of money on textbooks in a semester? A. O $195 B. $215 C. $235 D. $275 E. $295
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