A survey of a group's web habits for the past month obtained the following information. 44% visited Facebook. 41% visited Linkedin. 31% visited Google. 22% visited Facebook and Linkedin. 15% visited Facebook and Google. 15% visited Linkedin and Google. 8% visited all three sites. Find the percentage that visited none of these three sites last month

A survey of a group's web habits for the past month obtained the following information. 44% visited Facebook. 41% visited Linkedin. 31% visited Google. 22% visited Facebook and Linkedin. 15% visited Facebook and Google. 15% visited Linkedin and Google. 8% visited all three sites. Find the percentage that visited none of these three sites last month

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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Given the following data set: $1.42, $1.27, $1.28, $1.48, $1.36, $1.44, $1.46, $1.32, $1.33, $1.33 $1.23, $1.38, $1.43, $1.28, $1.43, $1.49, $1.37, $1.26, $1.26, $1.38 Determine the frequencies of gasoline prices for each given class. Frequency Relative Frequency Class < $1.25 $1.25 < $1.30 $1.30 $1.35 $1.35 $1.40 $1.40 < $1.45 $1.45 CHECK ANSWER
Researchers at Purdue University and Wichita State University found that airlines are doing a better job of getting passengers to their destinations on time.t AirTran Airways and Southwest Airlines were among the leaders in on-time arrivals with both having 88% of their flights arriving on time. But for the 12% of flights that were delayed, how many minutes were these flights late? Sample data showing the number of minutes that delayed flights were late are provided in the file named AirDelay. Data are shown for both airlines. Assume population variances are unknown and unequal. AirTran Southwest 34 59 | 43 30 3 45 64 42 33 66 32 42 | 85 30 48 105 45 28 | 38 85 110 50 10 33 50 26 70 75 45 63 52 83 78 27 70 42 35 33 64 65 27 90 38 52 76 (a) Formulate the hypotheses that can be used to test for a difference between the population mean minutes late for delayed flights by these two airlines. (Let u, = population mean minutes late for delayed Airtran flights and u, = population mean minutes…
Academy for Science, Technology & Maritime Transport Compute the variance of random variable, Y. Y 1 P(Y) 0.25 0.5 0.25 Select one: a. 0.34 b. 0.5 C. 0.25 d. 0.7 Type here to search
. The number of death due to diabetes and kidney disease for an American during 2015 is respectively 68,500 and 42,100. What is the relative frequency probability of death due to diabetes for an American during 2015? How much greater is the risk of death due to diabetes than the risk of death due to kidney disease?
An article gave the following data on median worker pay (in thousands of dollars) and the 1-year percent change in stock price for the 13 highest paying companies in the United States. Percent Change in Stock Price Median Company Worker Pay Company 1 134.7 21.9 Company 2 132.2 92.4 Company 3 125.0 33.8 Company 4 122.8 52.3 Company 5 122.5 42.1 Company 6 121.2 2.6 Company 7 121.2 5.3 Company 8 119.0 29.9 Company 9 118.0 7.9 Company 10 118.0 37.2 Company 11 117.6 15.8 Company 12 117.4 21.9 Company 13 115.1 -44.5
The table shows a portion of the data for a sample of 51 private colleges and universities. The data include the name of the college or university, the year the institution was founded, the tuition and fees (not including room and board) for the most recent academic year, and the percentage of full-time, first-time bachelor’s degree-seeking undergraduate students who obtain their degree in 6 years or less (The World Almanac). A. Prepare a scatter diagram to show the relationship between Tuition & Fees (in USD 1000s , on the horizontal axis) and % Graduate (on the vertical axis). Choose the correct diagram. School Year Founded Tuition & Fees % Graduate School Year Founded Tuition & Fees % Graduate American University 1893 $36,697 79.00 Northwestern University 1851 $40,224 93.00 Baylor University 1845 $29,754 70.00 Oral Roberts University 1963 $20,044 53.00 Boston College 1863 $40,542 91.00 Providence College 1917 $39,435 88.00 Brown University 1764 $42,230…
A drug company claims that an allergy medication causes headaches in 5% of those who take it. A medical researcher believes that more than 5% of those who take the drug actually get headaches. Identify the population(s). 5% of those who take the drug actually get headaches. the proportion of those who take the drug who get a headache. all individuals who take the medication. more than 5% of those who take the drug actually get headaches. What is the variable being examined for individuals in the population(s)? more than 5% of those who take the drug actually get headaches. the proportion of those who take the drug who get a headache. whether or not a person who takes the drug gets a headache. 5% of those who take the drug actually get headaches.
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A scientific study was conducted to determine the hours of sleep that college students get per night. The study surveyed 33 college students and obtained the following data: 7.8, 8.1, 5.9, 7.1, 6.9, 8.5, 7.8, 6.2, 6.2, 7.2, 7.1, 7.3, 6.4, 8.3, 7.9, 6.6, 7.4, 6.8, 6.7, 7.2, 5.6, 8.3, 6.6, 6, 5, 7.7, 7, 6.6, 7.8, 6.3, 7.8, 6.3, 7.1 Construct a 87% confidence interval for the average hours of sleep per night that college students get. S = τα Margine of Error: E = hours We are 87% confident that college students get an average of between hours of sleep per night. and Question Help: D Post to forum ||