Example 7. In a survey of 35 students, 17 have opted Management, 10 haveopted Management, but not Engineering. Find the number of Students who haveopted both Management and Engineering and the number of students who haveopted Engineering but not Management, if it is given that each student has optedeither Management or Engineering or both.

Answered: Image /qna-images/answer/0fea0dd3-3d75-42bc-a05a-707e011dfb71.jpg

Answered: Example 7. In a survey of 35 students,…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Salma publishes a blog on bird-watching, with field notes and pictures of her trips around the country. Recently she decided to conduct a poll among 400 of her subscribers, and found that 68% of those polled have liked at least one of her blogs, they have posted an average of 3.1 comments per blog, and 149 have liked all of her blogs. Later she found out that her website already has this information for all of her subscribers. According to her website, she has a total of 10,985 subscribers, of whom 75% have liked at least one of her blogs, they have posted an average of 2.4 comments per blog, and 4135 have liked all of her blogs. (a) For Salma's blog poll, identify the population and the sample. Population: All the subscribers to Salma's blog Sample: The 400 subscribers Salma polled (b) Choose whether each number described below is a parameter or a statistic for Salma's blog poll. Number Parameter Statistic G The average of 3.1 comments per blog that the 400 subscribers polled have…
Read the following information carefully then answer all the questions that follow. A marketing company does a fast-food survey and asks 500 people what they order on the side with their takeaway meals. They found that 141 people choose ice-cream, while 127 people choose burger. Finally, 149 people choose cola. They also found that 48 people choose ice-cream and cola, 27 people choose cola and burger, 32 people choose burger and ice-cream, and 10 people choose 3 of them; Burger, ice- cream and cola. a) Draw a Venn diagram and enter all the given information. b) Using the Venn Diagram and determine the number of people who order only Burger. c) What is the probability that a person orders ice-cream but not cola? d) What is the probability that a person will order no ice-cream?
A city official would like to know if there is public support for increasing funding for arts programs. To collect data, the city official stands outside a concert hall after a show and surveys every 25th person to exit and asks their opinion about raising funds for the arts. Which of the following describes the population in this scenario? all residents of the city the members of the city council all city residents who support the arts the people surveyed by the city official
A fundraiser is offering a small gift to people making a donation. The donor can choose one of four gifts: a mug, a t-shirt, a plush toy, or a water bottle. The fundraiser would like to know if any of the gifts were more or less popular or were they equal in preference. The data for n = 40 donors are below:
After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they liked the movie. Out of 100 adults, 65 said they liked the movie, whereas out of 20 teenagers, 14 said they liked the movie. Fill in the blanks below to make the most reasonable statement possible. At the movie premiere, (Choose one) ▼moviegoers liked the movie more. That is because only % disliked the movie, whereas % of the (Choose one) v moviegoers disliked the movie.
Example 6. In a survey of 500 students in a college 180 were listed as drinking Tea, 275 as drinking coffee and 95 were listed as both drinking Tea as well as Coffee. Find how many students were drinking neither Tea nor Coffee.
To help plan the number of meals to be prepared in a college cafeteria, a survey was conducted, and the following data were obtained. 127 students ate breakfast.183 students ate lunch.272 students ate dinner.60 students ate breakfast and lunch.111 students ate breakfast and dinner.90 students ate lunch and dinner.53 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
Suppose that in a survey of five-year-olds, 45% liked the letter A, 54% liked the letter B, and 50% liked the letter of C. 29% liked A and B, 28% liked A and C, 29% liked B and C, and 15% liked all of them. What percentage liked A and B but not the letter C?
A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store. Use the results to determine how many people use Redbox. 44 only use Netflix 59 only use Redbox 20 only use a video store 49 use only Netflix and Redbox 8 use all three 6 use only a video store and Redbox 27 use only a video store and Netflix 34 use none of these
A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store. Use the results to determine how many people use Redbox. 49 only use Netflix 42 only use Redbox 13 only use a video store 20 use only a video store and Redbox 39 use only Netflix and Redbox 31 use only a video store and Netflix 12 use all three 34 use none of these people used Redbox.

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