nds issued throughout the United states. 70% were rated A.20% were rated B, and 10% were rated, C. of the municipal bonds rated A. 50% were issued by cities 40% by suburbs and 10% by rural areas. of the municipal bonds rated B. 60% were issued by cities 20% by suburbs, and 20% by rural areas. if the municipal bonds rated C 905 were issued by cities 5% by suburbs and 5% by rural areas

nds issued throughout the United states. 70% were rated A.20% were rated B, and 10% were rated, C. of the municipal bonds rated A. 50% were issued by cities 40% by suburbs and 10% by rural areas. of the municipal bonds rated B. 60% were issued by cities 20% by suburbs, and 20% by rural areas. if the municipal bonds rated C 905 were issued by cities 5% by suburbs and 5% by rural areas

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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1. Suppose a senior is choosing classes and must select from a set of equal value classes needed for graduation There are 15 classes, all offered at different times. The student must take 5 classes to graduate. a. How many possible course schedules can the student choose? b. Suppose another student in the same major also chooses a schedule from the same 15 courses, also 5 courses, and chooses them independently of the first student (say each class is equally likely to be chosen). What is the probability that the two students choose the exact same schedule?
Suppose that the four inspectors at a film factory are supposed to stamp the expiration date on each package of film at the end of the assembly line. John, who stamps 20% of the packages, fails to stamp the expiration date once in every 200 packages; Tom, who stamps 60% of the packages, fails to stamp the expiration date once in every 100 packages; Jeff, who stamps 15% of the packages, fails to stamp the expiration date once in every 90 packages; and Pat, who stamps 5% of the packages, fails to stamp the expiration date once in every 200 packages. If a customer complains that her package of film doesn't show the expiration date, what is the probability that it was inspected by John? Determine using Bayes' theorem.
Suppose that the four inspectors at a film factory are supposed to stamp the expiration date on each package of film at the end of the assembly line. John, who stamps 20% of the packages, fails to stamp the expiration date once in every 200 packages; Tom, who stamps 60% of the packages, fails to stamp the expiration date once in every 100 packages; Jeff, who stamps 15% of the packages, fails to stamp the expiration date once in every 200 packages. If a customer complains that her package of film does not show the expiration date, what is the probability that it was inspected by John?
1. The shares of the U.S. automobile market held in 1990 by General Motors, Japanese manufacturers, Ford, Chrysler, and other manufacturers were, respectively, 37%, 20%, 22%, 12%, and 9%. Suppose that a new survey of 1,000 new-car buyers shows the following purchase frequencies:
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The chief loan officer of La Crosse Home Mortgage Company summarized the housing loans extended by the company in 2017 according to type and term of the loan. Her list shows that 70% of the loans were fixed-rate mortgages (F), 20% were adjustable-rate mortgages (A), and 10% belong to some other category (0) (mostly second trust-deed loans and home equity loans). Of the fixed-rate mortgages, 80% were 30-year loans and 20% were 15-year loans; of the adjustable-rate mortgages, 30% were 30-year loans and 70% were 15-year loans; finally, of the other loans extended, 30% were 20-year loans, 60% were 10-year loans, and 10% were for a term of 5 years or less. (a) Draw a tree diagram representing these data. 20 s 5 10 <=5 15 30 30 30 20 ca5 15 (b) What is the probability that a home loan extended by La Crosse has an adjustable rate and is for a term of 15 years? (c) What is the probability that a home loan extended by La Crosse is for a term of 15 years?
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Illustration 16.60. A bank has a test designed to establish the credit rating of a loan applicant. If the persons, who default (D), 90% fail the test (F). Of the persons, who will repay the bank (ND), 5% fail the test. Furthermore, it is given that 4% of the population is not worthy of credit ; i.e., P(D) = .04. Given that someone failed the test, what is the probability that he actually will default (when given a load)? CS Scanned with CamScanner
A corporation must appoint a president, chief executive officer (CEO), chief operating officer (COO), and chief financial officer (CFO). It must also appoint a planning committee with four different members. There are 16 qualified candidates, and officers can also serve on the committee. a. How many different ways can the officers be appointed? There are different ways to appoint the officers. b. How many different ways can the committee be appointed? There are different ways to appoint the committee.