The Denver Post reported that a recent Audit of Los Angeles 911 calls showed that 85% were not emergencies. Suppose the911 operators in Los Angeles have just received five calls.LAUSE SALT(a) What is the probability that all five calls are, in fact, emergencies? (Round your answer to five decimal places.)(b) What is the probability that four or more calls are not emergencies? (Round your answer to five decimal places.)(c) What is the smallest number of calls that the 911 operators need to answer to be at least 89% (or more) surethat at least one call is, in fact, an emergency? (Enter your answer as a whole number.)calls

Given that,n = 5Probability of not emergencies(p) = 85%= 0.85So,probability of emergencies(p) = 1-…

Answered: The Denver Post reported that a recent…

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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The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. Complete parts (a) and (b) below. Click the icon to view the data on business degrees. (a) Find the probability that a randomly selected student is male, given that the student received a business degree. The probability that a randomly selected student is male, given that the student received a business degree, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected student received a business degree, given that the student is female. The probability that a randomly selected student received a business degree, given that the student is female, is (Round to three decimal places as needed.) Business graduates Business degrees Nonbusiness degrees Total Male 192,167 616,454 808,621 1,056,907 1,865,528 Female 173,249 883,658 Total 365,416 1,500,112
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