A certain city has one morning newspaper and one evening newspaper. It is estimatedthat 20% of the city's household subscribe to the morning paper and 60% subscribe tothe evening paper. Of those who subscribe to the morning paper, 80% also subscribeto the evening paper.Practice q # 23 p.197chap 7a.b.they subscribe to the morning paper?C.What proportion of households subscribes to both paper?If a household subscribes to the evening paper, what is probability thatWhat proportion of households subscribes to at least one paper?

Let M=a house hold subscribes morning paper E= a house hold subscribes evening…

Answered: A certain city has one morning…

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 professor has a class with five recitation sections. Each section has 18 students. The question is whether or not the average test score is significantly different for any of the sections. Group-1 Group-2 Group-3 Group-4 Group-5 86 56.8 78 65 41.8 62.5 52.2 83.5 70.3 60.3 75.2 61.1 88.8 75.3 53.2 44.6 51.3 70 87.3 86 42.2 62.1 49.9 76.6 49.7 65.8 75.1 65.7 44.4 49.8 81.3 49.7 57.8 78.8 62.9 84.9 60.1 58.3 57.1 55.8 55.5 66.5 57.5 64.8 73.7 75.9 64.2 61.4 75 75 59 80.9 64.5 84.9 63.2 69.9 60.2 77.1 71.8 69.9 59.3 51 76.2 81.6 62 48 71.7 69.3 66.5 50.8 66 56.9 88.1 75.3 58.4 70.3 63.7 73.9 67.5 46.2 62.2 44.3 60.1 90.2 61.8 67.5 40.5 68.2 54.9 71.7 Conduct a test to determine if the group means are equal using α=0.02α=0.02. Summary statistics:F-ratio (F-test statistics) = p-value = (report accurate to at least 4 decimal places)What is the measure of effect size ω2ω2 ? This is on the Excel sheet and is also a measure of the…
Ancestry and Region. The U.S. Census Bureau collects information on the U.S. population by ancestry and region of residence and publishes the results in American Community Survey. According to that document, 18% of the population resides in the Northeast. a. If ancestry and region of residence are not associated, what percentage of Americans of Irish ancestry would reside in the Northeast? b. There are roughly 37 million Americans of Irish ancestry. If ancestry and region of residence are not associated, how many Americans of Irish ancestry would reside in the Northeast? c. There are, in fact, 9.25 million Americans of Irish ancestry who reside in the Northeast. Given this information and your answer to part (b), what can you conclude?
Write a sentence that describes the most likely population of interest and another sentence that describes the sample: a) A survey of 496 students at a college found that 51 of them planned on traveling out of the country during spring break Population: Sample: b) A survey of 791 vacationers from the United States found that 524 of them planned on spending at least $2000 for their next vacation. Population: Sample: Question Help: Message instructor Submit Question MacBook Air esc 000 D00 F1 F2 F3 F4 F5 F6 @ $ % 2 4 5 6 # 3
Suppose a survey conducted in 2012 asked a group of adults from a certain country whether they drink seltzer water. Of the 3,062 people who responded, 22.8% said they drink seltzer water. Complete parts a through d. b. Identify the population. What is the population? A. All of the adults in the world B. The 22.8% of respondents in the survey who reported they drink seltzer water C. All of the adults in the particular country D. The 3,062 people who responded to the survey c. Identify the sample statistic reported. What is the sample statistic reported? A. The proportion of respondents who reported they do not drink seltzer water B. The number of people who said they drink seltzer water C. The proportion of respondents who reported they drink seltzer water The 3,062 people who responded to the survey d. Identify the population parameter of interest. What is the population parameter of interest? O A. The proportion of all people in the world who drink seltzer water B. The number of…
A researcher wants to determine the average amount of minutes it takes for a medicine to reduce headache pain for adult males. The researcher contacted 114 subjects to participate in the study, but only got results from 84 of the subjects. The average time it took for the medicine to reduce headache pain for these subjects was 19 minutes. What is the population? Males 114 adult males Adult males 19 adult males Adult females Females 84 adult males What is the sample? Females Males 19 adult males 84 adult males Adult females Adult males 114 adult males What is the parameter? 114 people The average time that it takes for this medicine to reduce pain in adult males. The average time that it takes for this medicine to reduce pain for these 84 adult males. 84 people The average time that it takes for this medicine to reduce pain. 19 minutes What is the symbol for this parameter? S σσ P xˉx̄ μμ pˆp̂ What is the statistics? The average time that it takes for this…
A city official would like to know if there is public support for increasing funding for arts programs. To collect data, the city official stands outside a concert hall after a show and surveys every 25th person to exit and asks their opinion about raising funds for the arts. Which of the following describes the population in this scenario? all residents of the city the members of the city council all city residents who support the arts the people surveyed by the city official
2-sample t-test 7. A history professor wants to see if students will read more pages of their history book if it is put online. She asks students to report how many pages they read in the last week. The totals are: Раper 112 85 223 119 46 102 82 111 95 121 100 87 210 155 123 74 198 105 Online 205 146 92 141 104 167 53 210 151 165 199 172 136 48 195 210 184 98 Can we say that students read more pages of the book when it is put online? 8. A local 7-Eleven sells a “Memory Pill" that is supposed to help people...um...remember. You find some Oxnard College students and randomly divide them into two groups of 15 students each. One group takes the actual "Memory Pill" and the other group takes the placebo. You then show them a list of 20 items and want them to remember as many as possible. The experimental group (those taking the pill) remembered an average of 12.3 items from the list, with a sample standard deviation of 5.4. The control group (with the placeb0) remembered an average of 10.9…
A survey was taken on course selection and gender. The results are represented in the table below. Вoys Girls TOTAL Band 27 17 44 Team Sports 64 46 110 Neither 13 9 22 ΤΟTAL 104 72 176 What percentage of those surveyed are boys AND taking Team Sports? Round to the nearest percent. % are boys and taking team sports.
USE THE FOLLOWING INFORMATION TO ANSWER THE NEXT TWO QUESTIONS. At a particular university, 60 % of the students who apply for admission are in-state residents, 30 % are from other states, and the remaining applicants are international students. 35 % of in-state applicants are admitted, 25 % of applicants from other states are admitted, and 20 % of international applicants are admitted. 13) What percent of applicants are admitted?
Dashboard C YouTube X M MyOpenMath ✔ Hints myopenmath.com/assess2/index.php?cid=167606&aid=11945494&r=641ba54e2ba44#/skip/13 myMCC | Middlesex... Dashboard = Google Docs NJ Athletic Confere... a) 68% of the students spend between b) 95% of the students spend between c) 99.7% of the students spend between Question Help: Submit Question Jump to Answer Untitled document - Google X ■ ■ For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 23 students, and the distribution of total study hours per week is bell-shaped with a mean of 14 hours and a standard deviation of 3.4 hours. Use the Empirical Rule to answer the following questions. Q Search 2021 Football Stan... V 2021-2022 D3 Colle... GroupMe P Plagiarism Checker... MyOpen Math hours and hours and Written Example Message instructor Sy 1-(30)^5 hours and Answered: How the Classic X + VitalSource Booksh... hours on Statistics each week. 19 ☆ hours on Statistics each…
A professor has a class with five recitation sections. Each section has 18 students. The question is whether or not the average test score is significantly different for any of the sections. Group-1 Group-2 Group-3 Group-4 Group-5 83.7 84.3 56.6 67.5 60.7 80.8 77.1 83 71.9 80.2 91.3 72.4 77.4 70.5 57.3 80.1 74.4 79.2 79 68.7 93.3 71.9 73 81.8 70 78.1 73.7 74.5 62.8 64.5 76.5 69.7 81.4 75.1 63.1 68.2 72 75.2 83.7 65.5 62.8 71 79.3 85.4 67.6 76.5 73.1 74.5 81.5 67.1 79.2 67.9 74.9 86.7 72.2 62.1 78.7 84.8 63.4 80.8 86.7 97.2 66.8 79.3 68.2 79 74.6 66.4 75.9 67.7 79.1 82.3 69.3 70.3 68.2 71.1 62.2 53.3 71.1 58 61.8 68.9 82.7 60.2 73 70.7 83.2 61.9 64.6 49.5 Conduct a test to determine if the group means are equal using α=0.02α=0.02. Summary statistics:F-ratio (F-test statistics) = p-value = (report accurate to at least 4 decimal places)What is the measure of effect size ω2ω2 ? This is on the Excel sheet and is also a measure of the…

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