**Student Travel Statistics: Probability Calculation**In a survey of students, 60% were in high school, and 40% were in middle school. Of the high school students, 30% had visited a foreign country. If a surveyed student is selected at random, what is the probability that the student is in high school and has visited a foreign country?___% *[This problem requires calculating the joint probability and aims to educate students on how to determine the likelihood of two combined events.]*

A measure of the likelihood or chance of an event occurring is termed 'probability'. It quantifies…

Answered: In a survey of students, 60% were in…

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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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, 217 answered "none," 293 said "one," 369 said "two," 150 said "three," and 73 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. P(four or more cell phones) =| (Round to three decimal places as needed.) Is it unlikely for a household to have four or more cell phones in use? A. No, because the probability of a respondent with four or more cell phones in use is greater than 0.05. B. Yes, because the probability of a respondent with four or more cell phones in use is greater than 0.05. O C. Yes, because the probability of a respondent with four or…
According to data on the sale of Vehicles in Barbados, it was calculated that men purchase 75% of vehicles in Babados. If 30 vehicle owners are selected randomly, find the probability that exactly 13 are men.
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Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students eat pizza and drink soda, what is the probability that a randomly chosen high student will either eat pizza, drink soda, or both?
in a certain county in Michigan, the rate of vaccinated school-aged children is 86%. If 30 children are to be randomly chosen from this county then what is the probability that 25 of them will be vaccinated?
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In a survey of students, 60% were in high school and 40% were in middle school. Of the high school students, 30% had visited a foreign country. If a surveyed student is selected at random, what is the probability that the student is in high school and has visited a foreign country? %