2.(The percentages of workers in Industries A and B whose annual salaries fall below$20,000 are 54% and 40% respectively. Suppose a random sample of 100 workers were obtainedfrom each industry. Calculate:(a) The probability that at least half of the 100 workers from Industry A earn less than $20,000.(b) The probability that there are more workers from the 100 Industry A sample than the 100Industry B sample who earn less than $20,000.

Answered: Image /qna-images/answer/accb2e55-6231-421d-bce1-e06d932bb94f.jpg

(a) The probability that at least half of the 100 workers from Industry A earn less than $20,000. (b) The probability that there are more workers from the 100 Industry A sample than the 100 Industry B sample who earn less than $20,000.

(a) The probability that at least half of the 100 workers from Industry A earn less than $20,000. (b) The probability that there are more workers from the 100 Industry A sample than the 100 Industry B sample who earn less than $20,000.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

See similar textbooks

Related questions

Q: What is the probability that a randomly chosen American does not have type O blood?

Q: The probability of event A, given that event B has occurred, can be found using Bayes's Theorem.

A: Bayes's Theorem is the theorem by which we get the conditional probability of an event. According to…

Q: 2. The flight time for an airplane traveling from Muscat to Dubai is uniformly distributed between…

A: (a) Since uniform distribution is a continuous uniform distribution, and there exist infinite…

Q: Republican Democrat Independent Total Indiana 905 668 201 1774 Ohio 843 1094 121 2058 Illinois…

A: There are total (2426+3563)=5989 democrats or republicans. And there are total 6432 people. So,…

Q: A recent survey examined the use of social media platforms. Suppose the survey found that there is a…

Q: A recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A: Given that, 70% of all adults over 50 wear sunglasses for driving. Sample size = 10

Q: :The probability of an event E is defined as

A: Answer: Probability is a measure of how likely it is for an event to happen. Let E is the event that…

Q: If one person is randomly selected from the group, what is the probability that this person does not…

A: Number of persons who does not dtive a red car = 296 Number of persons who did not get a speeding…

Q: Suppose the table below gives the chances of winning or losing points in a game:Points Won/Lost –100…

A: Solution: From the given information, the table of winning or losing points in a game is

Q: The probability of being killed by a stroke of lightning, calculated using the frequency theory of…

A: The payoff from the lottery is:

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: A random variable x is following the binomial distribution with the following probability mass…

Q: The Probability of an event E is defined as

A: We know that the probability of an event is defined as the ratio of the number of times that events…

Q: At a university, 60% of the 7,400 students are female. The student newspaper reports the results of…

Q: Suppose that the proportions of blood phenotypes in a particular population are as follows: A B АВ…

A: Hi there! Thanks for the questions. Since, there are two different questions, we have solved one…

Q: d. What is the probability that average yield for 10 days is at most 800 tons? e. What is the…

Q: Here is the probability model for the blood type of a randomly chosen person in the United States.…

A: The probability model for the blood type of a randomly chosen person in the United States is,…

Q: Suppose that the proportions of blood phenotypes in a particular population are as follows: O A B AB…

A: Given A=0.48 B=0.13 AB=0.01 O=0.38

Q: The table below shows the results of a survey about a junk food tax. Support Oppose Unsure Male…

A: From the provided information, Support Oppose Unsure Total Male 152 391 19…

Q: Kayden recorded the grade-level and instrument of everyone in the middle school School of Rock…

A: Based on these results, express the probability that an eighth grader chosen at random will play the…

Q: The table gives the results of a survey of 1000 people about reducing industries' carbon emissions.…

A: Given, Favorable Outcomes (Democrat) = 310 Total No Of People in Group = 1000

Q: d) An ELT is randomly selected and tested. If the test indicates that the ELT is defective, find the…

A: Let us define some events A : an ELT is manufactured by Altigauge company. B : an ELT is…

Q: first- and second-born children of two-children families by gender is shown below. What is the…

Q: The probability that a randomly selected person from this sample used the Chrome browser is • The…

A: It is given that a random sample of computer users were asked which browser they primarily relied on…

Q: In an experiment to study the relationship of hypertension and smoking, the shown data are collected…

A: H NH Total Nonsmokers 21 45 66 Moderate 40 28 68 Heavy 28 18 46 Total 89 91 180

Q: A psychologist determined that the number of sessions required to obtain the trust of a new patient…

Q: The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For…

A: Given, the number of deaths in the U.S in a year due to variety of causes.

Q: a) If an ELT is randomly selected from the general population of all ELTs, find the probability that…

A: Given: Altigauge manufacturing company (A) produces 80% of the ELTs, Bryant company (B) produces…

Q: Some argue that millions of Americans are so hooked on television that their viewing habits fit the…

Q: A machine that fills boxes of cereal underfills a certain proportion p. If 25 boxes are randomly…

Q: 2. The flight time for an airplane traveling from Muscat to Dubai is uniformly distributed between…

Q: The table to the right gives the proportion of children in a certain country in a year who are…

A: The proportion of children are given in the table.

Q: a) What is the probability that a worker surveyed at random works i) in either the paper mill or the…

A: The concept of independence and mutually exclusive events are two important part of probability.

Q: Assuming no other ethnicity group is represented, what is the probability of a death row inmate…

A: A distribution of probability of race and/or ethnicity of the inmates is: African American…

Q: The probability histogram to the right represents the number of live births by a mother 47 to 51…

A: Given that A histogram is given here with no. Of child and probability. By using basic probability…

Q: The table below relates the amount of time consumers spend shopping on the Internet per month with…

Q: The incomplete table above shows the distribution of age and gender for 32 people who entered a…

A: We have been given the table of distribution of male and female and their gender

Q: Suppose that the proportions of blood phenotypes in a particular population are as follows: A B АВ…

Q: A fast-food restaurant chain with 700 outlets in the United States has recorded the geographic…

Q: A random sample of 200 adults are classified below according to gender and the level of education…

A: The sample size n is 200.

Q: The table below shows the results of a survey about a junk food tax. Support Oppose Unsure Male…

Q: (a) What is the probability that a randomly selected worker primarily drives a bicycle or takes…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Find the probability that a randomly selected student earned a grade of 'B' given that the student…

A: It is given that Total = 58 Number of males = 31 Numner of males earned grade B = 5

Q: In an experiment to study the relationship of hypertension and smoking habits, the following data…

A: Introduction: Suppose X and Y are two events, with respective probabilities P (X) and P (Y). Denote…

Q: The following table lists the probability distribution for cash prizes in a lottery conducted at…

Q: According to Chemical Engineering Progress (November 1990), approximately 30% of all pipework…

Q: Calculate the expected value of x in the probability distribution shown * 1 2 3 p(x) .1 4 4 .1

A: Given data is X 0 1 2 3 P(X) 0.1 0.4 0.4 0.1

Q: The Sarasota Police department collected data on the number of car accidents ( X ) that occur each…

A: Given observation and calculation is shown below X P(X) XP(X) 0 0.80 0 1 0.15…

Question

2.
(The percentages of workers in Industries A and B whose annual salaries fall below
$20,000 are 54% and 40% respectively. Suppose a random sample of 100 workers were obtained
from each industry. Calculate:
(a) The probability that at least half of the 100 workers from Industry A earn less than $20,000.
(b) The probability that there are more workers from the 100 Industry A sample than the 100
Industry B sample who earn less than $20,000.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here