At a local Dunkin' Donuts, a survey showed that out of 1,400 customers eating lunch, 448 ordered coffee with their meal.Number of customers eating lunch:Number of customers who ordered coffee:1,400448Required:Using the information given above, answer the following questions:GO Note: Use cells A4 to B5 from the given information to complete this question.121. What percent of customers ordered coffee?3 2. What percent of customers did not order coffee?H

The percentage of customers who ordered coffee can be calculated using the formula:Substituting the…

Answered: At a local Dunkin' Donuts, a survey…

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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A survey of 600 school employees yielded the following information: 325 were instructors, 442 were full-time faculty, and 255 of the instructors were full-time faculty. How many school employees were full-time faculty but were not instructors?
A student eamed grades of B, C, A, B, and D. Those courses had these corresponding numbers of credit hours: 4, 3, 4, 3, and 2. The grading system assigns quality points to letter grades as follows: A=4, B=3: C=2; D= 1; F=0. Compute the grade-point average (GPA). If the dean's list requires a GPA of 3.00 or greater, did this student make the dean's list? The student's GPA is (Type an integer or decimal rounded to two decimal places as needed.)
George believes the Art Club students at his school have an unfair advantage in being assigned to the art class they request. He asked 500 students at his school the following questions: "Are you in the Art Club?" and "Did you get the art class you requested?" The results are shown in the table below: Art Club Not in Art Club Total Received art class requested 100 265 365 Did not get art class requested 65 70 135 Total 165 335 500 Help George determine if all students at his school have an equal opportunity to get into the art class they requested. Show your work, and explain your process for determining the fairness of the class assignment process. K
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Researchers wanted to know the effectiveness of a new allergy medicine. A study was conducted on 500 adults who experience allergy symptoms. Each adult was randomly assigned to receive the new allergy medicine or a placebo. Researchers recorded whether or not their symptoms improved within 1 week. a. Complete the two-way table summarizing the findings. Allergy Medicine Placebo Total Symptoms Improved 85 80 Symptoms DidNot Improve Total 215 285 500 b. Use the study results to complete the following. Round your answer to the nearest tenth of a percent, as needed. Notice the percent sign is already included, so you just need to type the number. What percent of the adults in this study were given the new allergy medicine? % What percent of those who experienced improvements received the allergy medicine? % What percent of those who received the allergy medicine experienced improvements? % What percent of those who did not received the allergy…
Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 141 subjects with positive test results, there are 30 false positive results. Among 155 negative results, there are 3 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was b. How many subjects did not use marijuana? A total of subjects did not use marijuana. c. What is the probability that a randomly selected subject did not use marijuana? The probability that a randomly selected subject did not use marijuana is (Do not round until the final answer. Then round to three decimal places as needed.)
To help plan the number of meals to be prepared in a college cafeteria, a survey was conducted, and the following data were obtained. 130 students ate breakfast. 177 students ate lunch. 276 students ate dinner. 65 students ate breakfast and lunch, 115 students ate breakfast and dinner. 86 students ate lunch and dinner. 54 students ate all three meals. How many students ate (a) At least one meal in the cafeteria? students (b) Exactly one meal in the cafeteria? students (c) Only dinner in the cafeteria? students (d) Exactly two meals in the cafeteria? students ***
Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 140 subjects with positive test results, there are 22 false positive results. Among 152 negative results, there are 2 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was b. How many subjects did not use marijuana? A total of subjects did not use marijuana. c. What is the probability that a randomly selected subject did not use marijuana? The probability that a randomly selected subject did not use marijuana is. (Do not round until the final answer. Then round to three decimal places as needed.)
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Fifty students appeared in an examination. The result of the passed students are given below: Marks 40 50 60 70 80 90 No. of Studnets 14 7 4

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