You are a network administrator evaluating the usefulness of Model A for detecting anunauthorized intrusion (considered a positive observation in your model.)Given this confusion matrix for Model A, what is the probability that your model will detect anunauthorized intrusion?Confusion Matrixfor Model AActual3/46/105/6O 5/8PositiveNegativePositive5Prediction3Negative11

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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 data set includes weights of garbage discarded in one week from 62 different households. The paired weights of paper and glass were used to obtain the results shown to the right. Is there sufficient evidence to support the claim that there is a linear correlation between weights of discarded paper and glass? Use a significance level of a = 0.05. Correlation matrix: Variables Paper Glass Click here to view a table of critical values for the correlation coefficient, Раper 10.3352 Glass 0.3352 Determine the null and alternative hypotheses. Họ: P (Type integers or decimals. Do not round.)
Analysing passenger car sales by brands in Australia Tupps Motors which was established in year 2000, sells 5 brands of new passenger vehicles Holden, Toyota, Ford, Mitsubishi and Nissan which were the market leaders in 2000. As years passed the General Manager of Tupps Motors, Brian Tupps, noticed that brands such as Holden, Ford and Nissan are not selling as much as they used to. In 2018, Brian Tupps discusses his observation with his recent Business graduate son, Ben Tupps, and they both decided to collect Australia-wide sales data of the top 10 brands of passenger vehicles in 2018 to see how the market share of the different brands have changed. Again, in 2023, Brian wanted Ben to analyse the Australia-wide post-pandemic sales data for 2022 and provide him with up-to-date advice on the market share of the 10 brands of passenger vehicles. Data on the number of passenger vehicles sales for the top 10 brands of passenger vehicles in 2018 and 2022 are provided in file 1Sales.xlsx.…
Explain the difference between bias and unbiased data and suggest reasons for . Consider the scenarios below and state whether the responses obtained will be bias or unbiased giving reasons for your answer People attending a cricket game were asked what their favorite sport was. medical students were asked if more money should be spent on the Engineering Course. You ask every fifth person leaving a football game what their favourite kind of ice cream is. People standing in line to see the latest Matrix movie were asked what their favorite type of movie was.
StarHortons Cup, the coffee company, wants to determine how long caffeine lasts throughout the day when individuals have a cup of one of their 3 types of coffee at 9am. They will then measure the levels of caffeine in these individuals’ systems at 10am, 12am, 2pm, 4pm, 6pm and 8pm. They want to have at least 20 observations per group. How many separate/distinct groups of participants are needed if they want to conduct this experiment using a mixed-measures ANOVA? 18 6 20 3
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The boxplot below shows salaries for Construction workers and Teachers. ConstructioON Teacher 券 %3D 20 25 30 35 40 45 50 Salary (thousandd of S ra person is making the first quartile alary for a construction worker, they are making meore than wha percentage of Teachers? They are making more than Fof Teachers,.
GENETICS AND FAST-TWITCH MUSCLES The gene ACTN3 encodes a protein that functions in fast-twitch muscles. People can be classified according to which genotype of this gene they have, RR, RX, or XX, and also according to which genetic allele they have, R or X. The study¹ described here, examines the association between this gene and different subgroups of the population. All participants in the study live in Australia. The earlier exercises only included the control group. Gender and ACTN3 Genotype We know that sprinters are more likely to have allele R and genotype RR versions of the ACTN3 gene, which makes these versions associated with fast-twitch muscles. Is there an association between genotype and gender? Computer output is shown for this chi- square test, using the control group in the study. In each cell, the top number is the observed count, the middle number is the expected count, and the bottom number is the contribution to the chi-square statistic. What is the p-value?…
This item has three questions. The matrix represents the results (means) from a 2 x 2 factorial study. One mean is not given. A represents one factor and B represents the other factor. A1 A2 B1 40 20 B2 30 What value for the missing mean would result in no main effect for factor A? Explain. What value for the missing mean would result in no main effect for factor B? Explain. What value for the missing mean would result in no interaction?Explain.
1 Professor Yema conducted a research to determine factors that influence environmental attitude. Table 1 below is a matrix of Pearson’s r correlation coefficients for the following variables used in the study: Environmental attitude (En), level of education (Le), and income (In). Table 1: Factors that influence environmental attitude ____________________________________________________________________ Variable En Le In ____________________________________________________________________ Environmental attitude (En) 1.0 Level of education (Le) 0.6** 1.0 Income (In) –0.3* 0.9*** 1.0 ____________________________________________________________________ ***Correlation is…
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