Data from Census 2018 show that 63% of the US population identified as White Non-Hispanic. Moreover, that555 out 100,000 people were sentenced prisoners in the US in 2018. In addition, 167 out of 100,000 peoplewere White Non-Hispanic and sentenced prisoners.In 2018, what was the probability that a randomly selected person in the USa) was a sentenced prisoner and not White Non-Hispanic?b) was White Non-Hispanic and not a sentenced prisoner?c) was not White Non-Hispanic and not a sentenced prisoner?Consider using a Venn's diagram in this problem -- that is not required, though.

a)It is given that, 63% of the population is White Non-Hispanic, 555 out of 100,000 people are…

Answered: Data from Census 2018 show that 63% of…

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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It is believed that 67.3% of Americans own their own homes. Suppose a sample of 50 Americans were selected. c) Find the probability that the sample selected has more than 70% of the Americans that are homewoners.
The Pew Research Center has found that 86% of people 18 through 29 years old are social media users. What is the probability that you have to ask 10 people in this age group to find one that is not a social media user?What is the probability that you have to ask 20 people in this age group to find one that is not a social media user?What is the probability you must ask at most 5 people in this age group to find one that is not a social media user?
The denver post reported that a recent audit of Los Angeles 911 calls showed that 85% were not emergencies. Suppose the 911 operators in Los Angeles have just received 4 calls. a) what is the probability that all four calls are, in fact, emergencies ? (Round answer to five decimal places) b) what is the probability that two or more calls are not emergencies? (Round to five decimal places) c) what is the smallest number of calls that the 911 operators need to answer to be at least 93% or more sure that at least one call is an emergency? (Round to whole number)
Three cards are drawn from a standard deck of 52 cards without replacement. What's the probability that all three cards are face cards?
Eleven percent of American children (ages 4 to 17) have Attention Deficient Hyperactivity Disorder (ADHD) according to the Center for Disease Control. Suppose six American children in this age group are randomly selected, is the probability that at least one has ADHD unusual? Eleven percent of American children (ages 4 to 17) have Attention Deficient Hyperactivity Disorder (ADHD) according to the Center for Disease Control. Suppose six American children in this age group are randomly selected, is the probability that at least one has ADHD unusual? No, this probability is not unusual because it is more than 0.05. Yes, this probability is unusual because it is more than 0.05. No, this probability is not unusual because it is within 2 standard deviations of the mean. Yes, this probability is unusual because it is not within 2 standard deviations of the mean. No, this probability is not unusual because it is more than 0.01.
40% of the managers in an international company have traveled abroad, 50% of them can speak foreign language, if 23% of those who do not travel abroad speak a foreign language, what is the probability that a randomly chosen manager who speaks foreign language does not travelled abroad?
The survey by the National Center for Health Statistics further found that 49% of adults ages 25–29 had only a cell phone and no landline. We randomly select four 25–29-year-olds: a) What is the probability that all of these adults have a only a cell phone and no landline? b) What is the probability that none of these adults have only a cell phone and no landline? c) What is the probability that at least one of these adults has only a cell phone and no landline?
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In a study of 235,722 cell phone users, it was found that 109 developed cancer of the brain or nervous system. Assuming that cell phones have no effect, there is a 0.000477 probability of a person developing cancer of the brain or nervous system. We therefore expect about 113 cases of such cancer in a group of 235,722 people. Estimate the probability of 109 or fewer cases of such cancer in a group of 235,722 people. What do these results suggest about media reports that cell phones cause cancer of the brain or nervous system? (a) P(x ≤ 109) = (Round to four decimal places as needed.)
What is the probability that none of the 10 teenagers uses pandora media inc.'s online radio services?
According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 80% of the time. Suppose 20 flights are randomly selected, and the number of on-time flights is recorded. d) Find and interpret the probability that fewer than 12 flights are on time. (e) Find and interpret the probability that at least 12 flights are on time. (f) Find and interpret the probability that between10 and 12 flights, inclusive, are on time.
In 2014, the percentage of the U.S. population that speak English only in the home is 78.9%. Choose 15 U.S. people at random. What is the probability that exactly one-third of them speak English only? At least one-third? What is the probability that at least 9 do not speak English in the home?

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