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) is a sentenced prisoner, given that the person identifies as White Non-Hispanic?b) is a sentenced prisoner, given that the person does not identify as White Non-Hispanic?

Given,The probability that a randomly selected person in the US is a White Non-Hispanic, P(W) = 63%…

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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A quiz consists of 20 true-false questions. What is the probability that a student will answer exactly half of the questions correctly by guessing on all 20 questions?
In a survey of 169 people, the following data were obtained relating gender to color-blindness: Color-Blind (C) Not Color - Blind \overline C Total Male (M) 68 49 117 Female (F) 26 26 52 Total 94 75 169 A person is randomly selected. What is the probability that the person is: a) Male? 0.6923 b) Male and Color-blind? 0.4024 c) Male given that the person is Color-blind?
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.
What is the probability that fewer than four of them have type O negative blood? The probability that fewer than four of them have type O negative blood is? .
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 average number of cargo ships arriving at a port is known to be 5 per day. The port facility can accommodate at most 8 ships per day. What is the probability that on any given day ships would be turned away and asked to wait in an adjacent harbor?
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)
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.)
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.
According to the data released by the Las Vegas Convention and Visitors Authority, each of the millions of visitors to the Las Vegas area has a 72% probability of spending $700 or more on gaming before leaving town. Assuming that visitors to the Las Vegas area behave independently of one another, two visitors to the Las Vegas area are selected at random. a) What is the probability that both visitors spend $700 or more on gaming before leaving town? (Write your final answers without rounding them.) b) What is the probability that at least one of the visitors spends $700 or more on gaming before leaving town? c) What is the probability that neither visitor spends $700 or more on gaming before leaving town?

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