The records of a computer retail store show that out of the 100 customers who purchased a desktop computer last month, all but 32 also purchased a serviceplan that extends the warranty for an extra year. Out of the 25 customers who purchased a notebook computer last month, all but 6 purchased the same serviceplan.Fill in the blanks below to make the most reasonable statement possible.X5?Last month, customers of the store who purchased (Choose one) computers were more likely to purchase the serviceplan. That is because only % did not purchase the service plan, whereas % of the customers who bought(Choose one) computers did not purchase the service plan.Continue2022acerOllAtabesc!192W#3eC$4r%5t6y&O7U

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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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The Gays Love You Chamber of Business conducted a survey amongst 17 furniture retailers to identify the percentage of bad debts in each company’s debtors’ book.The bad debts percentages are as follows 2.2 4.7 6.3 5.8 5.7 7.2 2.6 2.4 6.1 6.8 2.2 5.7 3.4 6.6 1.8 4.4 and 5.4 (a) Calculate the skewness coefficient for percentage of bad debts. Is the data skewed?(b) Compute the first quartile and the third quartile of the percentage of bad debts amongst the furniture retailers surveyed. Interpret these quartile values.
In fall 2014, 34% of applicants with a Math SAT of 700 or more were admitted by a certain university, while 14% with a Math SAT of less than 700 were admitted. Further, 38% of all applicants had a Math SAT score of 700 or more. What percentage of admitted applicants had a Math SAT of 700 or more? (Round your answer to the nearest percentage point.) %
A study was conducted of pleas made by 1,025 criminals. Among those criminals, 953 pled guilty, and 395 of them were sentenced to prison. Among the 72 other criminals, who pled not guilty, 59 were sent to prison. Complete (a) through (d). a. What percentage of the criminals pled guilty? % (Round to the nearest tenth as needed.) b. What percentage of the criminals were sent to prison? % (Round to the nearest tenth as needed.) c. Among those who pled guilty, what is the percentage who were sent to prison? % (Round to the nearest tenth as needed.) d. Among those who pled not guilty, what is the percentage who were sent to prison? % (Round to the nearest tenth as needed.) ←
As preparation for designing a new line of business wear, a clothing manufacturer asked a large sample of department store customers, "What is your favorite color of dress shirt?" The pie chart below summarizes their responses. Blue Black White Other Pink Grey (a) Which color was chosen by approximately one-fourth of the customers? Select One (b) Approximately what percentage of the customers chose Blue or Black? Write your answer as a multiple of 10% - that is, 10%, 20%, 30%, ... 0% (c) If 18% of the customers chose Blue, approximately what percentage chose Other? 3% 6% 33% X O 54% Ś Espar ? DEA 屋 A
A nutritionist estimates that 57% of her patients stick to the eating plan she helps them design. She also knows that 53% of her patients are diabetic. Additionally she knows that 22.79% of her patients are diabetic and are not sticking to the eating plan she helped them design. (a) What proportion of her patients are not sticking to the eating plan she helped them design? (b) What proportion of her patients are diabetic? (c) Within the nutritionist's patients, being diabetic and not sticking to the eating plan she helped design are which of the following? O dependent O independent
Suppose that the results of a survey show that 40% of people consider summer as their favorite season. How many people should be surveyed in order to have a margin of error of 4%? Round up to the nearest whole number, if necessary. In order to have a margin of error of 4%, people should be surveyed.
There are 150 flights expected to take off or land within one day at the planned Pickering airport. If 92% of the flights are expected to be on time, how many flights are unlikely to be on time?
Suppose that the results of a survey show that 38% of people consider summer as their favorite season. How many people should be surveyed in order to have a margin of error of 6%? Round up to the nearest whole number, if necessary. In order to have a margin of error of 6%, people should be surveyed.
To receive a particular professional designation, an individual must pass a specific professional exam. A preparatory course is available, and individuals who take the preparatory course, pass the professional exam 90% of the time, while individuals who do not take the preparatory course only pass the exam 20% of the time. Suppose 55% of individuals who take the professional exam have taken the preparatory course. What percent of individuals who take this exam pass? The percent of individuals passing is percent. Do NOT use the % sign as part of your answer, and do NOT round your answer.
The Entergy Corporation had 2,600,000 electricity customers. Of these, 76.176.1% were in the residential category (R); 13.913.9% were commercial (C); 2.52.5% were industrial (I); and 7.57.5% were government and municipal (G). What is the value of P(C or G)?

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