Suppose 55 percent of the customers at Pizza Palooza order a square pizza, 72 percent order a soft drink, and 48 percent order botha square pizza and a soft drink.Is ordering a soft drink independent of ordering a square pizza?to searchO YesO NoIICSaved< Prev15 of 19Next >Help89°F Sur

The percentage of customers, who ordered a square pizza is 55%.The percentage of customers, who…

Answered: Suppose 55 percent of the customers at…

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 candy manufacturer selects mints at random from the production line and weighs them. For one week, the day shift weighed n1 = 194 mints and the night shift weighed n2 = 162 mints. The numbers of these mints that weighed at most 21 grams was y1 = 28 for the day shift and y2 = 11 for the night shift. Let p1 and p2 denote the proportions of mints that weigh at most 21 grams for the day and night shifts, respectively. a) Give a point estimate for p1-p2 b) Find and interpret a 95% confidence interval for p1-p2 c) Can you claim a difference between difference between proportions of mints that weight at most 21g for the day and night shifts?
a pollster wnats to minimize the effect the order of the questions has on a person's response to a survey. how many different surveys are required to cover all possible arrangements if there are 9 questions on the survey?
Grade points are assigned such that an A receives 4 points, a B receives 3 points, a C receives 2 points, a D receives 1 point, and a F receives 0 points. Grades are weighted according to credit hours (units). If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student's grade point average? O A. 2.75 O B. 1.75 O C. 3.00 O D. 2.50 Click to select your answer. DELL XXX EVD disc RW DELL
Assume that 30% of city employees in City A ride the bus to work. Consider the following two statements: The percentage of city employees who ride the bus to work is 10% higher in City B than in City A. The percentage of city employees who ride the bus to work is 10 percentage points higher in City B than in City A. For each case, state the percentage of city employees in City B who ride the bus to work. Briefly explain why the two statements have different meanings. When the percentage of city employees who ride the bus to work is 10% higher in City B than in City A, what percentage of city employees in City B ride the bus to work? |% (Type an integer or a decimal.)
Assume that the U.S Open Golf Tournament was played at Congressional Country club, with prizes ranging from $465,000 for first place to $5000. Par for the course is 70. The tournament consists of four rounds played on different days. Suppose the scores for each round of the 32 players who placed in the money (more than $17,000) were given on a web site. The scores for the first round were as follows: 71 66 68 72 74 73 71 71 74 73 73 71 75 71 72 71 78 75 71 71 74 75 66 75 75 76 71 72 72 73 71 67
In a survey, 200 restaurants were asked to select which of the following options were on their menu: tacos, burgers. 98 of the restaurants serve tacos and 74 of the restaurants serve burgers. 37 of the restaurants serve neither of these options. How many of the restaurants serve both tacos and burgers? Show your work.
A study found that among the 2300 college students who drank energy drinks daily 850 of them binge drank alcohol on a monthly basis. In contrast, 240 of the 1387 students who do not drink energy drinks daily binge drank alcohol monthly. Fill in the contingency table and determine the percentage of college students who drink energy drinks daily among those who DO NOT binge on alcohol. Binge Drink Alcohol Don't Binge Drink Alcohol Total Drinks Energy Drink 850 1450 2300 Does not Drink Energy Drink 240 1147 1387 Total 1090 2597 3687
One common system of computing the grade point average (GPA) assigns 4 points to an A, 3 points to a B, 2 points to a C, 1 point to a D, and 0 points to an F. What is the GPA of a student who gets an A in a 3-credit course, a B in each of two 4-credit courses, a C in a 3-credit course, and a D in a 4-credit course? (Round to two decimal places) Group of answer choices 2.75 2.25 2.56 2.60
In a section of an English 201 class, the professor decides to be "generous" with the students and will grade the exam in a unique way. Grades will be assigned according to the follwing rule: the top receives A's, the next 20% receive B's, the middle 40% receive C's, the next 20% receive D's, and the bottom 10% receive F's. Some may refer to this as "curving" The 40 grades were as follows: 30, 53, 88, 69, 77, 57, 58, 43, 63, 51, 69, 88, 86, 84, 50, 83, 91, 76, 57, 90, 45, 79, 41, 80, 62, 66, 71, 58, 92, 85, 57, 74, 63, 60, 99, 85, 70, 93, 67, 53 Do you think ths method of grading is fair to all students? Explain your answer 2. Under what circumstances would some students NOT like this method of grading? 3. Find the lowest score on the final exam that would qualify a student for an A, a B, a C, and a D 4. After doing the previous 3 parts explain the term "grading on a curve" what does it involve? what curve is it referring to?
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Suppose 55 percent of the customers at Pizza Palooza order a square pizza, 72 percent order a soft drink, and 48 percent order both a square pizza and a soft drink. Is ordering a soft drink independent of ordering a square pizza? O Yes O No