An anonymous survey of college students was taken to determine behaviors. Results were: 857 drank, 644 smoked, 198 used drugs, 394 drank and smoked, 109 drank and used drugs, 117 smoked and used drugs, 87 engaged in all three, and 184 engaged in none. a) How many students were surveyed? b) How many drank or used drugs? c) How many used drugs only? d) How many drank and smoked, but did not use drugs? e) How many drank or used drugs, but did not smoke? f) How many engaged in exactly two behaviors? g) How many engaged in at least one of these behaviors?

An anonymous survey of college students was taken to determine behaviors. Results were: 857 drank, 644 smoked, 198 used drugs, 394 drank and smoked, 109 drank and used drugs, 117 smoked and used drugs, 87 engaged in all three, and 184 engaged in none. a) How many students were surveyed? b) How many drank or used drugs? c) How many used drugs only? d) How many drank and smoked, but did not use drugs? e) How many drank or used drugs, but did not smoke? f) How many engaged in exactly two behaviors? g) How many engaged in at least one of these behaviors?

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...

See similar textbooks

Similar questions

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
Here are seven ages of college students (in years): 30, 18, 44, 21, 22, 25, and 26. Find their median. a.) 25.00 b.) 26.57 c.) 8.60
57 cities were surveyed to determine sports teams. 21 had baseball,18 had football, 13 had basketball, 12 had baseball and football, 9 had baseball and basketball, 8 had football and basketball. 5 had all three. How many had only a football team?
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%
Consider the following 10 exam scores: 28, 57, 58, 64, 69, 74, 79, 80, 83, and 85 what is the mode?
What is b) median, c) mode, d) midrange for the following numbers 174, 204,188,249,198,134,201,281,215,158
Darius surveyed 16 students and recorded the following data: 25 46 61 52 30 47 32 28 50 52 23 37 40 45 39 29 Construct stem-and-lead diagram: 21 31 41 51 61 ہے
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.