Software to detect fraud in consumer phone cards tracks the number of metropolitan areas where calls originate each day. It is foundthat 3% of the legitimate users originate calls from two or more metropolitan areas in a single day. However, 30% of fraudulent usersoriginate calls from two or more metropolitan areas in a single day. The proportion of fraudulent users is 0.0115%. If the same useroriginates calls from two or more metropolitan areas in a single day, what is the probability that the user is fraudulent? Round youranswer to six decimal places (e.g. 98.765432).

P(called from 2 or more metropolitan area) =P(legitimate and called from 2 or more metropolitan…

Answered: the legitimate users originate calls…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Research has shown that approximately 1 woman in 500 carries a mutation of a particular gene. About 45% of women with this mutation develop bladder cancer. Find the probability that a randomly selected woman will carry the mutation of this gene and will develop bladder cancer. ... Sample Space: Women Women with mutated gene Women who develop bladder cancer The probability that a randomly selected woman will carry the gene mutation and develop bladder cancer is (Round to four decimal places as needed.)
According to a recent research, 13% of people living in a city has experienced COVID-19 related symptoms in the past 1 year. We randomly pick 100 people from this city and use X to show the number of those who have experienced COVID-19 related symptoms in the past 1 year. Use this information and answer the following questions: g. What is the probability that at most 90 people did not experience COVID-19 related symptoms in the past 1 year? h. What is the probability that exactly 88 people did not experience COVID-19 related symptoms in the past 1 year? A loaded die lands on each of its six sides with the following distribution.X 1 2 3 4 5 6Pr(X=x) 0.1 0.3 0.25 0.05 0.15 0.15 d.If we randomly throw the die, what is the probability that it will land on an even number?
A company is conducting a survey to determine how prepared people are for a long-term power outage, natural disaster, or terrorist attack. The frequency distribution on the right shows the results. Use the table to answer the following question. Response Very prepared Somewhat prepared Not too prepared Not at all prepared Not sure Frequency 252 956 What is the probability that the next person surveyed is very prepared? 589 340 69 ..... The probability the next person surveyed is very prepared is (Round to three decimal places as needed.)
Use the standard normal probability chart, included in this exam, to look up the following numbers and draw the graph for each one. a. - .0492 b. 1.6 c. 1.06 d. -5.2
Of all registered automobiles in a city, 10% fail the emissions test. Fifteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. Find the probability that exactly four of them fail the test.
Of all registered automobiles in a city, 10% fail the emissions test. Fifteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. Find the probability that more than three of them fail the test.
11.2% of the population is 65 or older. Find the probability that the following number of persons selected at random from 25 people are 65 or older. The probability that at least 3 are 65 or older is?
Question Completion Status: Moving to another question will save this response. Question 32 A barbershop requires appointments for perms and haircuts. Ten percent of those making appointments cancel or simply fail to show up. Next week's appointment calendar has 64 appointments. let x be the number of missed appointments out of the 64. The probability that more than 2 cancellations and/or no-shows will occur during the next week is: 0.9611 0.1063 Ob. 0.7795 C d. 0.8937 0.3784 Moving to another question will save this response. 22 tv A Question 32 of 35 CA Question 32 of 35
A person with a cough is a persona non grata on airplanes, elevators, or at the theater. In theaters especially, the irritation level rises with each muffled explosion. According to Dr. Brian Carlin, a Pittsburgh pulmonologist, in any large audience you'll hear about 14 coughs per minute. Find the probability of at least five coughs (in a large auditorium) in a 27-second period. (Use 4 decimal places.)
A local forest contains a population of 10,000 deer. Scientists capture, tag, and release 500 of those deer. What is the probability that 10 of the 100 deer sampled are previously tagged? (Round to four decimal places.)
75% of owned dogs in the United States are spayed or neutered. round your answers to four decimal places. if 49 owned dogs are randomly selected find the probability that: At least 38 of them are spayed or neutered. Between 33 and 40 (including 33 and 40) of them are spayed or neutered.
The manager of an ice cream shop decides to track the purchases of ice cream throughout the day. The data is displayed on the two-way frequency table shown. Vanilla Chocolate Total Adult 52 41 93 Child 26 105 131 Total 78 146 224 Part A: What is the probability of a customer ordering vanilla ice cream given they are an adult, or P(vanilla | adult)? Round to the nearest hundredth. [ Select] Part B: What is P(child | chocolate)? [ Select] Part C: What must be true to make the events of "the customer being a child" and "ordering chocolate ice cream" independent? [ Select ]

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