8. There are four main blood types: A, B, AB, and O. Areport is published that says that 40% of the United Statespopulation has Type A blood, 11% has Type B blood, 4%has Type AB blood, and the rest have Type O blood.Given what you know about probability and probabilitymodels, which of the following statements is correct?A. More than 50% of the United States population musthave Type O blood.B. A person either has Type O blood or not, so theprobability of having Type O blood is 0.50.c. If we randomly select one person from the UnitedStates population, there is a 29% chance that personwill have either Type A or Type B blood.D. If we randomly select one person from the UnitedStates population, there is a 56% chance that personwill have either Type B or Type O blood.E. Without knowing the total population size, it would beimpossible to use this information to figure out theproportion of the United States population that hasТуре О blood.

Answered: 8. There are four main blood types: A,…

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 study of consumers smoking habits include 160 people in the 18-22 age bracket (49 of whom smoke), 133 people in the 23-30 age bracket (37 of whom smoke), and 85 people in the 31-40 age bracket (21 whom smoke). If one person is randomly selected from this sample, find the probability of getting someone who is age 18-22 or does not smoke.
a. The table below show the proportion of men and women who plan to vote in the next election. Three hundred men and 300 women were randomly selected and asked whether they planned to vote in the next election. men women plan to vote 170 185 do not plan to vote 130 115 What is the relative risk (likelihood) that men will vote versus men will not vote? a.1.567 b. 1.308 c. 0.583 d. 1.433 e. 0.764 b. During a poll, 115 people were randomly selected and asked their political party affiliation. The contingency table below shows the results cross-classified by political party affiliation and sex. Democrat Republican other total male 16 23 25 64 female 28 12 11 51 total 44 35 35 115 Find the conditional distribution of Republicans who are men. a. 0.557 b. 0.657 c. 0.20 d. 0.359 e. 0.25 c. For the given sample data and null hypothesis, compute the value of the test statistic. The claim is that the…
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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]
Practice 4. Speeding tickets and car color The table below shows the number of survey subjects who have received and not received a speeding ticket in the last year, and the color of their car. Red car Not red car Total Speeding ticket 15 45 60 Find the probability that a randomly chosen person: (a) has a red car or got a speeding ticket (b) has a red car or did not get a speeding ticket (c) does not have a red car or got a speeding ticket No speeding ticket 135 470 605 Total 150 515 665
4.The mortality rate for a certain disease is 25%. A random sample of twelve patients with this disease is selected. a.What is the probability that exactly half of the patients selected will die from the disease? b.What is the probability that at least two of the twelve patients will die from the disease?
Tyson Corp. stock has returns of 3%, 18%, -24%, and 28% for the past four years. Based on this information, what is the 99% probability range for any one given year? Select one: Oa 24.5 to 34.3% O b.-61.7 to 74.2% OC.-8.4 to 11.7% Od.-16.4 to 28.9% e. 39.0 to 51.5%
In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what is the probability that no more than 6 belong to an ethnic minority? O a. 0.9846 O b. 0.9814 C. 0.9130 O d. 0.0547
If a card is drawn from a deck of 52 playing cards, what is the probability of getting a face card or a red card? A. 3/13 B. 1/2 C. 11/13 D. 19/26
5.Approximately 64% of the people murdered actually knew their murderer. Given 63 current unsolved murders, what is the probability that at least (equal to and more than) 35 victims knew their murderer?
In government data, a family consists of two or more persons who live together and are related by blood or marriage. Choose an American family at random and count the number of people it contains. Here is the assignment of probabilities for your outcome:Number of persons 2 3 4 5 6 7+Probability 0.42 0.23 0.21 0.09 0.03 0.02What is the probability that the family you choose has more than two people?

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