2. The table shows the political affiliations and types ofjobs for workers in a particular state.Suppose a worker is selected at random within the state and the worker's political affiliation andtype of job are noted.Political AffiliationDemocratRepublicanIndependentWhite collar8%14%18%Type of jobBlue Collar20%11%29%Find the probability that the worker is a white-collar worker affiliated with the Democratic Party

From the given information, there are 14% of workers that are white-collar with democrat party.

Answered: 2. The table shows the political…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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3. Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 73 people in the 18-21 age bracket and finds that 62 of them respond and 11 refuse to respond. When 303 people in the 22-29 age bracket are contacted, 273 respond and 30 refuse to respond. Assume that 1 of the 376 people is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who responds.Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.P(22-29 or responds) = %
25. A couple has three children and X is the number of boys. a. List the elements in the sample space (outcomes). b. List the values for X for each of the outcomes. c. Find the probability distribution for X. P(X = x)
Suppose that at each birth, having a girl is not as likely as having a boy. The probability assignments for the number of boys in a 3-child family are approximated empirically from past records and are given in the table. What is the expected number of boys in a 3-child family? The expected number of boys in a 3-child family is Type an integer or a decimal.) Number of Boys x₁ P₁ 0 0.10 1 0.35 2 0.37 0.18 3
Suppose that 100 patients are asked to rate the services provided by a local hospital. Therating options are: 1 (Outstanding), 2 (Good), 3 (Okay), 4 (Poor), and 5 (Terrible). Theresults of the survey show that 15 people listed the services as Outstanding, 38 as Good,25 as Okay, 13 as Poor, and 9 as Terrible. Find the probability distribution for the hospitalservices rating.
5. Big babies: The Centers for Disease Control and Prevention reports that 25% of baby boys 6-8 months old in the United States weigh more than 20 pounds. A sample of 150 babies is studied. a. Approximate the probability that more than 40 weigh more than 20 pounds. b. Approximate the probability that 35 or fewer weigh more than 20 pounds. c. Approximate the probability that the number who weigh more than 20 pounds is G 20
The following table gives the percentage of students enrolled in one mathematics courses at a university. The college level transfer courses are College Algebra, Statistics, and Liberal Arts Math. PreAlgebra 5% Statistics Elementary Liberal Arts Algebra Math Intermediate Algebra %0% College Algebra 25% prials vas get A student who is taking only one mathematics course is selected. What is the probability a student is taking transfer level math? (Enter without a percent sign)
The table below shows the soft drinks preferences of people in three age groups. If one of the 255 subjects is randomly selected, find the probability that the person is over 40 and drinks cola. Cola Root beer Lemon-lime Under 21 yrs of age 40 25 20 Between 21 and 40 35 20 30 Over 40 yrs of age 20 30 35
A jar of jelly beans contains twelve red, eleven orange, ten green, six black, twoblue, and one yellow. You pick a jelly bean at random.•Whats the probability that it is black (as a reduced fraction and a percent rounded to thenearest 1%.)•Whats the probability that it is not green (as a reduced fraction and a percent rounded tothe nearest 1%.)• Whats the probability that it is yellow or green (as a reduced fraction and a percent rounded to the nearest 1%
Hello. Please answer letter b. Thanks.
2. The following table shows the income distribution for two groups of people in a country: those who declare to belong to a faith, and those who declare to be free thinkers. Income bracket Middle 13278 2225 Religious outlook Faith believer Free thinker Lower 7940 1241 Upper 4527 813 (a) A person is randomly selected from the group, find the probability that this person is a (i) free thinker. (ii) free thinker given that he/she has middle income. (iii) faith believer or he/she has lower income. (b) Are the events "Free thinker" and "Middle income" independent? Explain your answer. (Note: Round the probabilities to two significant figures)

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