31. A survey on eating habits conducted at the local mall produced the following information:Fast Food FavoriteBurgersТаcosPizzaTotalUnder 201631237020-4021441580Over 4043151270Total809050220What is the probability that a person selected at random from this group:a) prefers burgers?b) is over 40?c) prefers burgers and is over 40?d) prefers burgers given they are over 40?e) is over 40 given they prefer burgers?f) prefers pizza and is 20-40?g) is under 20 and prefers tacos?h) prefers tacos given they are under 20?i) prefers burgers or is under 20?j) does not prefer tacos?

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Answered: 31. A survey on eating habits conducted…

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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According to government data, 73% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected: a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married?
B. What is the probability a sample of 90 test takers will provide a sample mean test score within 10 points of the population mean of 515 on the mathematics part of the test. c. What is the probiotic a sample of 100 test takers will provide a sample mean test score within 10 points of the population mean of 494 on the writing part of the test.
Giving a test to a group of students, the grades and gender are summarized below A CTotal B. Male 8. 9. Female 13. 6. 21 Total 28 4. 26. If one student is chosen at random, Find the probability that the student did NOT get an "B" Question Help: DVideo Submit Question Type here to search 2) a. EGO olo tab shift
A. What is the probability of a student chosen at random liking both Hannah Montana and suite life of Zach and Cody ?
All students in a high school were surveyed about two sports. The results are shown in the graph. Frequency 600 400 200 0 190 Sports Survey 565 Basketball 340 Football Like Basketball or Football Both 100 Neither a) How many students were surveyed? b) What is the probability that a student (chosen at random) likes only basketball? Express your answer as a decimal, rounded to 2 decimal places. c) What is the probability that a student (chosen at random) likes both basketball and football? Express your answer as a percentage. d) What is the probability that a student (chosen at random) likes neither basketball nor football? Express your answer as a fraction in lowest terms.
The following table lists the number of unicyclists in Corvallis, OR. by age group. Age Group Frequency ≤19 31 20-29 96 30-39 98 40-49 43 50-59 19 60-69 83 ≥70 92 What is the probability that a randomly selected unicyclist from Corvallis, OR. is not between 40 and 49?
8) Given the following table with eye color and hair color for a sample of 592 people... Black hair Brown hair Blond hair 16 10 Red hair Total Green eyes Hazel eyes Blue eyes Brown eyes Total 29 14 14 15 54 84 119 20 17 26 94 68 a) What percent of people with brown hair have blue eyes? b) What is the probability someone with green or hazel eyes has red hair? 102 F Par 99+
All students in a high school were surveyed about two sports. The results are shown in the graph. Frequency 600 400 200 0 190 Sports Survey 565 Basketball 340 Football Like Basketball or Football Both 100 Neither a) How many students were surveyed? b) What is the probability that a student (chosen at random) likes only basketball? Express your answer as a decimal, rounded to 2 decimal places. c) What is the probability that a student (chosen at random) likes both basketball and football? Express your answer as a percentage. d) What is the probability that a student (chosen at random) likes neither basketball nor football? Express your answer as a fraction in lowest terms.
29% of all college students major in STEM (Science, Technology, Engineering, and Math). If 44 college students are randomly selected, find the probability that a. Exactly 10 of them major in STEM. b. At most 14 of them major in STEM. c. At least 12 of them major in STEM. d. Between 7 and 15 (including 7 and 15) of them major in STEM.
4. Final: In a monthly report, the local animal shelter states that it curently has 21 dogs and 27 cats. Fourteen of the dogs and 18 of the cats are female. If an animal is selected at random, find the probability that the pet is a male dog. O a. 4283 O b.1458 O c.5194 O d. .2319 Previous page Jump to. 近

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