The accompanying table shows the results from a testfor a certain disease. Find the probability of selecting asubject with a negative test result, given that thesubject has the disease. What would be anunfavorable consequence of this error?The probability is.(Round to three decimal places as needed.)What would be an unfavorable consequence of this error?Q SearchO A. The subject would experience needless stress and additional testing.OB. The test would be shown to be not reliable.OC. The test would be shown to be not effective.OD. The subject would not receive treatment and could spread the disease.M↓F7311PositiveNegative 18The individual actuallyhad the diseaseYesNo91196eTime Remaining: 01:15:26Recording SessionPrtScnHomeNextEvit Honorlock

The contingency table regarding the results of certain disease test is given.

Answered: The accompanying table shows the…

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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A group of people were asked if life exists elsewhere in the galaxy. 209 responded "Yes", and 227 responded "No". Find the probability that if a person is chosen at random, the person believes life exists elsewhere in the galaxy. Probability: (Round to 4 decimal places) %3D Submit Question 12.213 NOV 1 1. 17 tv MacBook Air
> Question 10 Giving a test to a group of students, the grades and gender are summarized below Grades and Gender C A Total Male 2. 12 19 Female 11 19 36 Total 13 11 31 55 If one student is chosen at random, find the probability that the student was male OR got an "B". Round your answer to 4 decimal places. Submit Question 56
From the U.S. Census Bureau and the article “U.S. Prison Population Falls for Third Year” by B. Montopoli of CBS News, we found that about 1 in every 200 Americans are in prison. Suppose 500 Americans are randomly sampled. Let X represents the number of Americans currently in prison. n = λ = (Round to two decimal places) Calculate the probability that three of the 500 Americans are currently in prison. Round your answer to four decimal places, e.g., 0.XXXX or .XXXX. P(X = 3) = Calculate the probability that at least three of the 500 Americans are currently in prison. Round your answer to four decimal places, e.g., 0.XXXX or .XXXX. P (X ≥ 3) = 1 – P (X < 3) = Calculate E(X) = µ. Round your answer to two decimal places, e.g., 0.XX or .XX. µ = E(X) = Calculate the standard deviation of X. Round your answer to two decimal places, e.g., 0.XX or .XX. σ =
The mean percent of childhood asthma prevalence in 43 cities is 2.39%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.6%? Interpret this probability. Assume that o = 1.31%. The probability is (Round to four decimal places as needed.) 4
Question 2 Please solve with simple probability rules
The following table shows the results of a medical test. Positive Test Result Negative Test Result 95.3 4.6 Total 82.6 % 4.6 Has Disease X % 491 24 % 515 Does Not Have Disease 45 Use the preceding data to estimate each of the following. (Express each response as a percentage rounded to one decimal place.) a. If a person has the disease, what is the probability that person tests positive? This is the sensitivity or true positive rate of a test. 214 259 Total b. If a person has the disease, what is the probability that person tests negative? This is sometimes called the false negative rate. 536 238 774 c. If a person does not have the disease, what is the probability that person tests negative? This is the specificity or true negative rate of a test. d. If a person does not have the disease, what is the probability that person tests positive? This is sometimes called the false positive rate. X %
You are conducting a test of independence to see if getting the flu is independent of whether or not you got a flu shot. Use a = 0.05. Report all answers accurate to four decimal places. Here is the sample data. Category Got Flu Shot Did not get Flu Shot Category Got Flu Shot The expected observations for this table would be: Got the Flu Did not get Flu Shot The resulting (O - E)² E Got the Flu 18 51 Category Got Flu Shot Did not get Flu Shot Did not get the Flu 118 19 Got the Flu for finding the test are: Did not get the Flu What is the p-value for this test-statistic? P-Value = Did not get the Flu What is the chi-square test-statistic for this data? (add the results from the previous table) x² =
The mean percent of childhood asthma prevalence in 43 cities is 2.07%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.4%? Interpret this probability. Assume that o = 1.39%. The probability is (Round to four decimal places as needed.)
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Grade A B U Frequency 5 a 9 7 D ** F 5 Refer to the table. Given that receiving at least a C is passing the course, calculate the probability a student passed the course.
At a “busy time," a telephone exchange is very near capacity, so callers have difficulty placing their calls. It may be of interest to know the number of attempts necessary in order to make a connection. Suppose that we let p = 0.05 be the probability of connection during a busy time. We are interested in knowing the probability that 5 attempts are necessary for a successful call. Determine the correct parameter. O a.r= 0, x = 5 O b. NONE O C.r= 0, n = 5 d.r = 1, x = 5
Let's calculate the probability of finding someone special. Using a form of Fermi's Paradox (the difference between having limited or no choices to having high amount of choices). Let's calculate your probability using the following data. Multiply the number and all percentages together N (subscript p): Number of people = your target population (number of people in your state). Broward County, FL is 1,953, 251 million. Dade County, FL is 2,717,251 million. Palm Beach County, FL is 1, 497,251 million. Harris County, TX is 4,731,251 million. (example: 1,374,251 x .5 x .44 x .37 x .25 x.10 x.10 = 279 people are potential special people for you) times f (subscript g) = target gender (multiply as a decimal. Example: 0.5 for either sex or 1.0 for both sexes) times f (subscripts) = single people (multiply as a decimal) About 44% of people are single at any given time. f (subscript e) = the number of people you'll run into (multiply as a decimal). Your sample size will be small if you only…

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