a mywilmu login - Searchсx Students Homex McGraw Hill Campu20https://www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IQirVmXK70_zpyaAMkjWKJh-pmWc8lyVwdR5MUn2LG0OpWbAOrDi5edXzz... A= Knowledge CheckAmount ofmoney spent onentertainment(in dollars)I Don't KnowType here to searchThe data points on the scatter plot below show the number of hours worked and the amount of money spent on entertainment last week by each of 24 students.Draw the line of best fit for these data points. (It doesn't have to be the exact line of best fit. Just draw your best approximation.)70-x65460+55-30-50++45-40-35-30-25-20-XxxX154 xx xX-10-XX5- XXSubmitXXEIxxXxx0 2 4 6 8 10 12 14 16 18 20 22Number of hours workedxXA ALEKS- Evelyn Reyes - Knowled XX←3Question 3Q Here is a table showing all cards x +34EvelynEs

BEST FIT LINE SHOULD BE LINE SUCH THAT ALL POINTS ARE VERY NEAR TO LINE. You may choose the point by…

Answered: The data points on the scatter plot…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Determine the mean waiting time W for an M/M/2 system when lambda = 2 and μ = 1.2. Compare this with the mean waiting time in an M/M/1 system whose arrival rate is lambda = 1 and service rate is μ = 1.2. Since the arrival rate per server is the same in both cases and service times don’t vary, should the wait times be the same in both cases?
Is there a possiblity to get an explanation to solve this problem?
If there is a first order positive autocorrelation in the error term in the equation and this is due to a specification error,which of the following is the best solution to overcome this problem? a)If there are variables that should be included in the equation but are not considered,these excluded variables are included or the mathematical form of the equation can be revised b)Autocorrelation may have occured due to the relationship between two explanatory variables.One or both of these variables must be removed from the equation c)The equation is estimated by the Maximum Likelihood method after taking the first difference d)Equation should be estimated by Generalized Least Squares - GLS method
A research center claims that more than 25 % of employees in a certain country have changed jobs in the past four years. In a random sample of 260 people from that country, 78 have changed jobs in the past four years. At alpha equals0.05 , is there enough evidence to support the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Upper H 0 and Upper H Subscript a . Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. At most nothing % of employees in the country have changed jobs in the past four years. B. More than nothing % of employees in the country have changed jobs in the past four years. C. nothing % of employees in the country have changed jobs in the past four years. D. The percentage of employees in the country who have changed jobs…
Dr. Barton hypothesizes that if 1st grade students are assigned to practice sight word flashcards for 10 minutes every day for their first semester, they will end up reading more books in their second semester. She creates two groups of 25 students each and gives each group the same sight word flashcards. Group A is assigned to practice with the flashcards for 10 minutes every day for their first semester. Group B is not given this assignment. Each group is tasked with keeping a reading log during their second semester. At the end of 1st grade, Dr. Barton counts how many books each group has read. Group A read 68 books, and Group B read 92 books. The control group is: The independent variable is: The dependent variable is: This study shows that there is a positive correlation between 10 minutes of daily flashcard practice of sight words and the amount of books read. T/F This study is an example of descriptive research. T/F
A researcher hypothesizes that people are more likely to be tired after a week of using the computer for 10 hours daily, without wearing blue-light glasses. The researcher randomly assigned 36 participants to one of two groups (Group 1 = without blue-light glasses vs Group 2 = with blue-light glasses). Then, the researcher monitored how many times each participant yawned per hour. How do we represent the alternative hypothesis for this study? Please write this out in words, or express it mathematically.
Pigmented makeup products like mascara and eye shadow may contain metal (e.g., nickel) allergens. Is a nickel allergy more likely to occur in women who report cosmetic dermatitis from using eye shadow or mascara? In a sample of 126 women with cosmetic dermatitis from using eye shadow, 11 were diagnosed with a nickel allergy. In a sample of 266 women with cosmetic dermatitis from using mascara, 26 were diagnosed with a nickel allergy. Use this information to complete parts a through c below. Question content area bottom Part 1 a. Compute a 95% confidence interval for the proportion of women with cosmetic dermatitis from using eye shadow who have a nickel allergy. The 95% confidence interval for eye shadow is enter your response here,enter your response here.
what is the kernel
Please SOLVE On paper this Prob stat problem
Pigmented makeup products like mascara and eye shadow may contain metal (e.g., nickel) allergens. Is a nickel allergy more likely to occur in women who report cosmetic dermatitis from using eye shadow or mascara? In a sample of 125 women with cosmetic dermatitis from using eye shadow, 11 were diagnosed with a nickel allergy. In a sample of 267 women with cosmetic dermatitis from using mascara, 25 were diagnosed with a nickel allergy. Use this information to complete parts a through c below. a. Compute a 95% confidence interval for the proportion of women with cosmetic dermatitis from using eye shadow who have a nickel allergy. b. compute a 95% confidence interval for the proportion of women with cosmetic cermatitis from using mascara who have a nickel allergy
The 2019-2020 flu season was especially tough. By the end of the season, an estimated total of 49 million people in the United States had contracted the flu, of whom an estimated 79,000 died from the flu. Assume that the US population was 300,000,000 during the 2019-2020 flu season and that during the season, a total of 2.9 million Americans died from all causes (including the flu). Assume the population of the US remained the same at the midpoint of the season. Report mortality rates per 100,000. Be sure to express the measure in the correct format. a.What was the proportionate mortality rate from flu during the 2019-2020 flu season? b.What was the case fatality rate from flue during the 2019-2020 flu season?
The 2019-2020 flu season was especially tough.By the end of the season, an estimated total of 49 million people in the United States had contracted the flu, of whom an estimated 79,000 died from the flu. Assume that the US population was 300,000,000 during the 2019-2020 flu season and that during the season, a total of 2.9 million Americans died from all causes (including the flu). Assume the population of the US remained the same at the midpoint of the season. Report mortality rates per 100,000. Be sure to express the measure in the correct format. c.What was the flu-related mortality rate during the 2019-2020 flu season? d.What is the all-cause mortality rate during the 2019-2020 flu season? e.In a country with an age distribution that is much younger than in the US, the proportionate mortality rate from flu in 2019 was 5%. Based on this information alone, can we determine that the risk of dying from flu in 2019 was higher in this country compared to the US? Why or why not?

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