Each month a brokerage house studies various companies and rates each company's stock as being either "low risk" or"moderate to high risk." In a recent report, the brokerage house summarized its findings about 18 aerospace companies and 55food retailers in the following table:Company TypeAerospace companyFood retailerLow Risk1025ProbabilityIf we randomly select one of the total of 73 companiesW(a) Find the probability that the company's stock is moderate to high risk given that the firm is an aerospace company. (Roundyour answer to 4 decimal places.)Moderate to High Risk8300.4444

From the provided information,Company nameLow RiskModerate to High RiskTotalAerospace…

Answered: Each month a brokerage house studies…

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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First-destination jobs for business and engineering graduates are classified by industry as shown in the following table Industry Major Business Oil Chemical Electrical Computer 26 12 13 42 Engineering 32 30 19 20 • What is the probability of a graduate having an Engineering degree and working in the Chemical industry? (Rounded to two decimal places) • What is the probability of a graduate working in the Electrical industry is having a Business degree? (Rounded to two decimal places)
There are three modes of transporting material from Boston to Houston: by land (either by highway or railway), seaor air. Half of the materials are transported by land20% by sea, and the rest by air. Also, 60% of all land transportation is by highway and the rest is by rail shipments.Cargo traveling by each mode of transportation has a different probability of being damaged during shipment. The percentages of damaged cargo are as follows: 12% by highway, 3% by rail, 5% by seaand 2% by airIf a damaged cargo is received, what is the probability that it was shipped by sea?
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]
It is known that only 20% of college football players are considered as strong candidates for the professional league after graduation. If 15 college players are randomly and independently sampled, what is the probability that less than 3 will be considered as strong candidates for the professional league? A. 0.602 B. 0.648 O C. 0.352 D. 0.398
In a class of students, the following data table summarizes how many students passed a test and complete the homework due the day of the test. What is the probability that a student chosen randomly from the class did not complete the homework? Passed the test Failed the test Completed the homework 11 7 Did not complete the homework Answer: Submit Answer attempt 4 out of 4 problem 1 out of max 1
A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on cardiovascular disease. Suppose that 40% of participants consume caffeine and smoke. If eight participants are evaluated, what is the probability that: At most, six participants consume caffeine and smoke?
Review the definitions and examples of probability of events and their complementary events. A survey of 451 Salinas residents showed 389 voted in a recent election. When making a selection from the 451 surveyed, what is the probability the person voted in a recent election? When making a selection from the 451 surveyed, what is the probability the person did not vote in a recent election?
Virtually any process can be improved by use of statistics, including the law. A much publicized case that involved a debate about probability was the Collins case, which began in 1964. An incident of purse snatching in the Los Angeles area led to the arrest of Michael and Janet Collins. At their trial, an "expert" presented the probabilities listed in table below on characteristics possessed by a couple seen running from the crime scene: Characteristics Probability Man with beard 1/10 Blond woman 1/4 1/10 Yellow car Woman with ponytail Man with moustache Interracial couple 1/10 1/3 1/1000 The chance that a couple had all these characteristics together is 1 in 12 million. Because the Collinses had these characteristics, the Collinses must be guilty. Do yo see any problem with this line of reasoning? Hint: The question of interest is not "what is the probability of finding a couple with these characteristics?" because one such couple has been found (the Collinses), the question is "what…
There are three areas of funding being reviewed: school, roads, and administrative. Each category can experience an increase, a decrease, or no change to the amount of funding it receives. Using a list, what is the probability of at least two areas with no change to funding, assuming all options have equal probability?
A study was done to ascertain the effectiveness of a flu vaccine . Two groups of people ( vaccinated and not vaccinated ) were followed during flu season to see how many in each group ended up catching the flu. The results are summarized in the table below : Vaccinated Not Vaccinated Got Flu 100 200 Did Not Get Flu 300 200 What is the probability that if a person in this study is randomly selected , that person did NOT get the flu ?

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