1) Based on a survey of annual incomes in 100 households. The following tablegives the data.IncomeNumberof households$0-24,99924$25,000-49,99924$50,000-74,99918$75,000-99,99912$100,000 or morea) What is the probability that a household has an annual income of $75,000or more?b) What is the probability that a household has an annual income of less than$50,000.c) What is the probability that a household has an annual income between$25,000 and $74,999, inclusive?2) Find the probability of the event P(AUB) if P(A)=0.38, P(B)=0.47, andP(ANB)=0.33.223) Find the probability of the event P(AUB) if P(A)=0.38, P(B)=0.49 and A, Bare mutually exclusive. 4) Through observation, it has been determined that the probability for a givennumber of people waiting in line at the "5 items or less" checkout register of asupermarket is as follows:Numberwaiting in lineProbability010.10 0.15Find the probability of:a) At most 2 people in line.b) At least 1 person in line.5) Complete the sentence below.20.2030.24b) A sophomore or male4 or more0.31Thethe sample space S that are not outcomes in the event E.of an event E is the set of all outcomes inSkill Building6). According to the American Pet Products Manufacturers Association's 2013-2014National Pet Owners Survey, there is a 37% probability that a U.S householdowns a cat. If a U.S household is randomly selected, what is the probability that itdoes not own a cat?7) In a certain precalculus class, there are 18 freshmen and 15 sophomores. Of the18 freshmen, 10 are male, and of the 15 sophomores, 8 are male. Find theprobability that a randomly selected student is:a) A freshman or female

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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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A newspaper company classifies its customers by gender and location of residence. The research department has gathered data from a random sample of 1614 customers. The data is summarized in the table below. Gender and Residence of Customers Answer How to enter your answer (opens in new window) Residence Apartment Dorm With Parent(s) Sorority/Fraternity House Other Males Females 233 151 297 88 51 71 180 152 177 214 What is the probability that a customer is female? Express your answer as a fraction or a decimal number rounded to four decimal places. Tables Copy Data Keypad Keyboard Shortcuts
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Question content area top left Part 1 Use the accompanying bar graph, which shows the highest level of education received by employees of a company, to find the probability that the highest level of education for an employee chosen at random is a doctoratea doctorate. ... Question content area top right Part 1 A bar graph titled Level of Education has a horizontal axis labeled Doctoral, Master's, Bachelor's, Associate's, High School diploma, and Other and a vertical axis labeled Number of employees from 0 to 40 in increments of 5. There are vertical bars, each of which is over a horizontal axis label. The heights of the bars are as follows, where the horizontal axis label is listed first and the height is listed second: Doctoral, 2; Master's, 25; Bachelor's, 32; Associate's, 24; High School diploma, 4; Other, 1. Each bar is labeled with its height. Level of education ABCDEF010203040Number of employeesA:DoctoralB:Master'sC:Bachelor'sD:Associate'sE:High School…
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