Three newspapers A, B, C are published in a city and asurvey of readers indicates the following :20% read A, 16% read B, 14% read C.8% read both A and B, 5% read both A and C.4% read both B and C, 2% read all the three.For a person chosen at random, find the probability that he reads noneof the papers

Answered: Image /qna-images/answer/0f85ceae-7f19-4ce6-8af9-526b8ead2784.jpg

Answered: Three newspapers A, B, C are published…

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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About 45% of students participate in a community volunteer program outside of school. If 50 students are selected at random, find the probability that at most 25 of them participate in a community volunteer program outside of school.
33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 39 college students are randomly selected, find the probability that d. Between 7 and 12 (including 7 and 12) of them major in STEM.
In a recent poll of female college students, 70% stated that they plan to graduate with a STEM degree. A math teacher decides to randomly sample 15 female college students. A. Find the probability that exactly 6 out of the 15 plan to graduate with a STEM degree. B. Find the probability that between 5 and 9 (inclusive) out of the 15 plan to graduate with a STEM degree. C. Find the probability that at least 7 out of the 15 plan to graduate with a STEM degree. D. Find the expected number of female college students out of the 15 that plan to graduate with a STEM degree.
It has been determined that there is a 75% chance of a person using their seatbelt when sitting in the back seat of a car. If 8 people leave a party and take cabs home, which of the following would be used to find the probability that 6 of them use their seatbelt when sitting in the back seat?
Of the cartons produced by a company, 10% have a puncture, 5% have a smashed corner, and 0.9% have both a puncture and a smashed corner. Find the probability that a randomly selected carton has a puncture or a smashed corner. The probability that a randomly selected carton has a puncture or a smashed corner (Type an integer or a decimal. Do not round.)
A football team consists of 13 each freshmen and sophomores, 18 juniors, and 19 seniors. Four players are selected at random to serve as captains. Find the probability of the following. P(at least 1 of the students is a senior)=
In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two respondents were from the same household.) Among the respondents, 211answered "none,"289 said "one," 373 said "two," 143 said "three," and 138 responded with four or more. A survey respondent is selected at random. Find the probability that his/her household has four or more cell phones in use. Is it unlikely for a household to have four or more cell phones in use? Consider an event to be unlikely if its probability is less than or equal to 0.05.
In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two respondents were from the same household) Among the respondents, 208 answered "none", 285 said "one", 358 said "two", 149 said "three", and 129 responded with four or more. A survey respondent is selected at random. Find the Probability that his/her household has four or more cell phones in use. Is it likely for a household to have four or more cell phones in use? Consider and event to be unlikely if its probability is less than or equal to 0.05.
A survey determines that in Blue Village, 0.33 of the residents do jogging, 0.42 do biking, and 0.12 do both activities. Find the probability that a randomly selected person does biking only.
A survey was done in regards to what type of animals are preferred as pets. Each respondent selected their top choice of animal for a pet. Respondents selected from: dog, cat, farret, fish, and bird. After the survey was completed, 41% picked dog, 34% picked cat, 4% picked farret, 8% picked fish, and 13% picked bird. Suppose three respondents were chosen at random. What is the probability that AT LEAST ONE of them picked dog? Round the answer to 3 decimal places.

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