A survey of 73 customers was taken at a bookstore regarding the types of books purchased. The survey found that 45 customers purchased mysteries 37 purchased science fictionfiction​, 30 purchased romance novels 2020 purchased mysteriesmysteries and sciencescience fictionfiction​, 1717 purchased mysteriesmysteries and romanceromance   1313 purchased sciencescience fictionfiction and romanceromance novelsnovels​, and 55 purchased all three types of books.   ​a) How many of the customers surveyed purchased only science fictionscience fiction​? ​b) How many purchased mysteriesmysteries and sciencescience fictionfiction​, but not romanceromance novelsnovels​? ​c) How many purchased mysteriesmysteries or sciencescience fictionfiction​? ​d) How many purchased mysteriesmysteries or sciencescience fictionfiction​, but not romanceromance novelsnovels​? ​e) How many purchased exactly two types of​ books?

The chart shows the estimated number of camera phones and non-camera phones sold from 2004 to 2010. Using the chart, list all values in the domain and range for the total phone sales. Camera Phones All Around 990 1030 1000 920 900 800 800 730 680 Camera Phones 600 Non-Camera Phones 400 200 2004 2005 2006 2007 2008 2009 2010 Source: http://vww.InfoTrends.com, Estimates result of interviews of 4,782 people in US, UK, France, Germany, Spain, Japan, and Onina Domain: { Range (ignore the millions unit): {

Forty-three percent of Americans use social media and other websites to voice their opinions about television programs (The Huffington Post, November 23, 2011). Below are theresults of a survey of 1400 individuals who were asked if they use social media and otherwebsites to voice their opinions about television programs. Uses Social Media and Other Doesn’t Use Social Media and OtherWebsites to Voice Opinions About Websites to Voice Opinions AboutTelevision Programs Television ProgramsFemale 395 291Male 323 355a. What is the probability a respondent is female?b. What is the conditional probability a respondent uses social media and other websitesto voice opinions about television programs given the respondent is female?c. Let F denote the event that the respondent is female and A denote the event that therespondent uses social media and other websites to voice opinions about televisionprograms. Are events F and A independent?

Suppose the profit the Honda dealership makes on the next 5 Accords it sells are: 443, 1,058, 766, 543, 1,228. What is the average profit on these cars?

Eight movies based on Marvel comic book characters for the U.S. box office as of fall 2017 are shown in the accompanying table, with domestic gross rounded to the nearest million. Find and interpret the median domestic gross of the top five of these eight Marvel movies. Click the icon to view the domestic gross for the eight movies. Find and interpret the median domestic gross of the top five of these eight Marvel movies. Select the correct choice below and fill in the answer box within your choice. (Type an integer or a decimal. Do not round.) OA. The median is OB. The median is OC. The median is OD. The median is million dollars. This means that none of the top five of these eight Marvel movies made more than this much money. million dollars. This means that about 75% of the top five of these eight Marvel movies made more than this much money. million dollars. This means that about 25% of the top five of these eight Marvel movies made more than this much money. million dollars. This…

Construct a vertical and horizontal bar graph for the number of employees (in thousands) of a sample of the largest tech companies as of 2014

Explain why in a group of 20 people there must be at least two people who share the same birth month.

A survey of the mathematics faculty at wassamatta university indicates that 9 faculty members are registered democrats and 13 are registered republicans. find the ratio of republicans to democats

In January, 2015, there were 97.89 million people in the United States who owned a smartphone that ran the Google Android operating system (OS). The Google Android OS was used on 53.2% of all smartphones. Howmany people in the United States owned a smartphone in January, 2015?

You may need to use the appropriate technology to answer this question. Social networking is becoming more and more popular around the world. A survey was conducted of adults in several countries to determine the percentage of adults who use social networking sites. Assume that the results for surveys in Great Britain, Israel, Russia, and the United States are as follows. Use SocialNetworking Sites Country GreatBritain (GB) Israel (I) Russia (R) UnitedStates (US) Yes 328 255 287 480 No 472 245 413 520 (a) Conduct a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all four countries. State the null and alternative hypotheses. H0: Not all population proportions are equal.Ha: pGB = pI = pR = pUSH0: pGB = pI = pR = pUSHa: All population proportions are not equal.    H0: All population proportions are not equal.Ha: pGB = pI = pR = pUSH0: pGB = pI = pR = pUSHa: Not all population proportions are equal. Find the value of…