A random sample of cars was classified by size: small, medium, and large, and by region of manufacture: Asia, Europe,and North America. The following data resulted:Size of CarSmallMid-sizeTotalRegion ofManufactureAsia92542148Europe191740North AmericaTotal265336115137124421. Among the cars manufactured in Asia, what is the probability of selecting a large car?2. What is the probability of selecting a car that is mid-size or manufactured in North America?3. What is the probability of selecting a car manufactured in Europe?If three cars are selected at random and without replacement, what is the probability they are all small carsmanufactured in Asia?4. Are 'region of manufacture' and 'size of car' independent or dependent? Justify your conclusion mathematically.

Question 1:Among the cars manufactured in Asia, what is the probability of selecting a large car?…

Answered: A random sample of cars was classified…

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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I’m taking a probability and a statistics class. Please get this correct so I can study.
Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the respondents, 2346 said they are willing to donate organs after death. In this survey conducted for Donate Life America, 100 adults were surveyed in each state and the District of Columbia, and results were weighted to account for the different state population sizes. a. What percentage of respondents said that they are willing to donate organs after death? b. Based on the poll results, what is the probability of randomly selecting an adult who is willing to donate organs after death? c. What term is used to describe the sampling method of randomly selecting 100 adults from each state and the District of Columbia?
Assume an approximate U.S population of 325 million. Number of death due to heart disease and accidents for an American during 2015 is respectively 614,300 and 136,100. A)What is the relative frequency probability of death due to heart disease for an American during 2015? b) How much greater is the risk of death due to heart disease than the risk of death due to accidents? c) Find and compare death rates per person and per 100,000 people for heart disease and accidents.
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Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test result is a false positive? Who would suffer from a false positive result? Why? Pre-Employment Drug Screening Results Positive test result Negative test result Drug Use Is Not Indicated Drug Use Is Indicated Subject Uses Drugs 37 4. Subject Is Not a Drug User 17 35 The probability of a false positive test result is
A sample of residents of Santa Monica were asked two questions, whether they had taken a course at Santa Monica College and what type of job they had or hoped to have. Their responses are summarized in the two-way data table below. Tech Industry Health Care Job Business/Finance Other Job Job Category Has taken a 53 104 93 class at SMC 69 Has not taken a class at SMC 82 28 38 151 Use the table to answer the following questions, a. What is the probability that a randomly chosen person has not taken a class at SMC and answered health care job. [Select] b. What is the probability that a randomly chosen person has taken a class at SMC or answered Tech Industry Job? I Select c. Would it be unusual for a person to have not taken a class at SMC and answered health care job? Why or why not? ( Select]
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Construct all random samples consisting two observations from the given data. You are asked to guess the average weight of the six watermelons by taking a random sample without replacement from the population. Watermelon A, B, C, D, E, and F has a weight (in pounds) 19,14,15,9,10 and 17 respectively.a. What is the probability of getting 10.00 as a mean?b. How many possible outcomes?c. What is the probability of getting 11.50 as a mean?d. What is the mean of the sampling distribution of the sample means?e. What is the population mean?
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A small shop is trying to compare the proportion of consumers who prefer buying a pre-made bread and those who prefer fresh bread. They randomly sample daily consumers and asked for their opinion. The shop is then decided to .construct a 95% confidence interval for the difference of population propertion and found it equal to (0.53 , 0.70) 1. based on the interval, what is the decision for testing Hop,-P,-0against /p,-p,0 at 5% significant levels Fail to reject the null hypothesisO Reject the null hypothesisO cannot be determineO I. using the interval, what is the decision for testing 0P, -P,=0against H p,-p.70 at 10% significant levels Fail to reject the null hypothesis Reject the null hypothesis cannot be determine

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