30. In a survey concerning the smokinghabits of consumers, it was found that50% smoke cigarette B, 55% smokecigarette A, 40% cigarette C, 30%smoke cigarettes A and B, 20% smokescigarettes A and C, 12% smokecigarettes B and C, and 10% smoke allthree cigarettes. What percent smokeexactly two brands of cigarettes?

P(B) = 0.50P(A) = 0.55P(C) = 0.40P(A∩B) = 0.30P(B∩C) = 0.12P(A∩C) = 0.20P(A∩B∩C) = 0.10P( exactly…

Answered: 30. In a survey concerning the smoking…

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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USE THE FOLLOWING INFORMATION TO ANSWER THE NEXT TWO QUESTIONS. At a particular university, 60 % of the students who apply for admission are in-state residents, 30 % are from other states, and the remaining applicants are international students. 35 % of in-state applicants are admitted, 25 % of applicants from other states are admitted, and 20 % of international applicants are admitted. 13) What percent of applicants are admitted?
600 students at Drew High School were surveyed. 269 of them were males. 455 of the students' wear jewelry, and 300 of the students that wear jewelry are females.
A survey of 150 freshmen business students at a local university produced the results listed below. How many students took only religion? 35 took history;42 took science;43 took religion;19 took history but not science;14 took science and religion;15 took history and religion;6 took all three
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?
600 students at Drew High School were surveyed. 269 of them were males. 455 of the students' wear jewelry, and 300 of the students that wear jewelry are females.
A survey of 400 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Undergraduate Major Graduate School Business Engineering Other Total Yes 33 43 61 137 No 90 105 68 263 Total 123 148 129 400 What percentage of the students' undergraduate major is Engineering? a. 65.75% b. 520% c. 152% d. 37%
180 students were surveyed on their current enrollment in Math, Biology, and Chemistry. The results are listed below. 82 students are enrolled in Math. 58 students are enrolled in Biology. 70 students are enrolled in Chemistry. 33 students are enrolled in Math and Bio. 24 students are enrolled in Bio and Chem. 26 students are enrolled in Math and Chem. 14 students are enrolled in all three courses. How many students were enrolled in at least one of the three courses?
A survey of 500 television watchers produced the following information: 285 watch football games, 195 watch hockey games, 115 watch basketball games, 45 watch football and basketball games, 70 watch football and hockey games, 50watch hockey and basketball games, and 50 do not watch any of the three kinds of games. How many people in the survey watch all three kinds of games? * 35 25 20 40
18. Suppose that in a book club, 60% of the members are women, and 35% like to read poetry. If reading poetry is independent of gender, what percent of people in the book club are women who like to read poetry? Group of answer choices 74% 25% 95% 21%
8) In the US, 4.5% of the population identifies as lesbian, gay, bisexual, or transgender (see, for instance, this report). In the UK, the LGBT community accounts for 1.5% of the population. Which of the following can be inferred from the given information? a) The number of LGBT individuals in the US is greater than that in the UK. b) The proportion of LGBT individuals in the US is 3% greater than the proportion of LGBT individuals in the UK. c) The proportion of LGBT individuals in the UK is 3% less than that in the US. d) The proportion of LGBT individuals in the UK is 200% greater than that in the US. e) The proportion of LGBT individuals in the US is 200% greater than that in the UK.
Need 99% interval for all five countries.

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