A community fitness center has a pool and a weight room. The admission prices (in dollars) for residents and nonresidents are given by the matrix P. The average daily numbers of customers for the fitness center are given by thematrix A. a. Compute AP. b. What is the average amount of money taken in by the pool each day?P=5.506.00ResidentsNonresidentsA=Residents6476Nonresidents7089a. AP =(Type an integer or decimal for each matrix element.)PoolWeight roomCH

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Answered: A community fitness center has a pool…

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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Use excel in this question: The Motion Picture Distributors Association of Australia collects yearly data on gross box office takings of the films in Australia. Data is provided here for the years 1990-2004. (Unfortunately more recent data is not readily available.) Is the highest box office takings for a film related to the number of films screened in Australia that year? Year No. of films screened Highest box office ($ million) 1990 252 26.1 1991 240 19.22 1992 229 18.73 1993 259 31.74 1994 252 24.65 1995 253 17.93 1996 281 29.29 1997 285 22.7 1998 273 47.33 1999 255 38.72 2000 250 30.72 2001 245 32.05 2002 258 33.81 2003 268 37.14 2004 318 50.35 1. Produce a scatterplot of the relevant data. Comment on the appropriateness of analysing this data using a linear regression model. 2. Use the statistics from a regression analysis of this data to evaluate the evidence for a useful predictive linear relationship between the two variables at the 5%…
Trying to determine the number of students to accept is a tricky task for universities. The Admissions staff at a small private college wants to use data from the past few years to predict the number of students enrolling in the university from those who are accepted by the university. The data are provided in the following table. R F eTextbook and Media Save for Late O % 5 T O >> G H (9) 2 Number Accepted Number Enrolled Find the correlation between the number of students accepted and enrolled. Use two decimal places in your answer. & 2,440 2,800 2,720 2,360 2,660 2,620 8 6 611 K 708 637 584 614 625 ( 9 L Attempts: 0 of 1 used ) 0 P Submit Answer 56°F Cl Backspa
Joan recorded the number of weeks that a patient was prescribed a medication after visiting the doctor. What is the variable in this set of data? a) the name of the doctor b) the type of medication prescribed c) the number of weeks of the prescription d) the name of the patient
Mrs. Harris is studying whether eating breakfast the day of an achievement test produces higher test scores in her 6th grade classroom. The data is shown in the tables below.Achievement Test Scores: No Breakfast Student Score Student A 248 Student B 277 Student C 245 Student D 256 Student E 255 Student F 279 Student G 281 Student H 265 Achievement Test Scores: After Eating Breakfast Student Score Student J 271 Student K 244 Student L 280 Student M 284 Student N 259 Student P 267 Student R 258 Student S 275 Identify the important pieces of information needed to decide if there is a statistically significant difference in the data sets (null hypothesis, alternative hypothesis, one- or two- tailed test, sample size for each group). a The null hypothesis is eating breakfast before an achievement test has no effect on test scores.The alternative hypothesis is eating breakfast before an achievement test produces higher test…
State if these variables would be expected to have a positive, negative, or no association. A. Number of schools and population size. o Positive Negative No association B. Income and number of health conditions. Positive o Negative No association C. Time spent meditating and stress level. Positive o Negative No association D. Number of pets and amount of money spent on printer ink. Positive Negative o No association E. Life expectancy and death rate. Positive Negative o No association
3. Match the columns. Write your answer with the corresponding number and letter, for example, 3e. 1. secondary research 2. primary research 3. secondary data 4. primary data 5. source of secondary data a. Geodemographic information system b. Government statistics C. Search the literature d. Conduct interviews e. Completed questionnaires
For a statistics class project, Jonathan and Crystal held an ice-cream-eating contest. They randomly selected 29 males and 35 females from their large high school to participate. Each student was given a small cup of ice cream and instructed to eat it as fast as possible. Jonathan and Crystal then recorded each contestant's gender and time (in seconds), as shown in the dotplots. : ● Male Female 15 75 90 105 30 45 60 Time to eat ice cream (sec) Do these data give convincing evidence of a difference in the population means at the a = 0.10 significance level? State appropriate hypotheses for performing a significance test. Be sure to define the parameters of interest. = Ho: M1 M2 = 0, Ha M₁ −μ₂ > 0, where μ₁ = the true mean time it takes male students to eat a small cup of ice cream and μ₂ = the true mean time it takes for female students to eat a small cup of ice cream. Ho: M1 - M₂ = 0, Ha M₁ M₂ < 0, where μ₁ = the true mean time it takes male students to eat a small cup of ice cream and…
Daily High Temp. The histograms describe the high temperatures in a certain city on each day of one month. The histogram on the left uses class widths of 3°F and the histogram on the right uses class widths of 6°F. Assume that temperature is measured and recorded as whole number values so that the first class would be 64°F-66°F when using a class width of 3°F. Complete parts (a) through (c) below. Daily High Temp. 64 70 76 82 88 94 Degrees Farenheit 64 70 76 82 88 94 Degrees Fareniheit a. During this month, there tends to be two types of weather. The city experiences either cool, foggy days or hot, sunny days. Which of the two histograms better reflects this? O A. The histogram with class widths of 6°F, because the histogram has larger class widths. O B. The histogram with class widths of 6°F, because there are no gaps in the histogram. OC. The histogram with class widths of 3°F, because the two distinct groups of data are separated by a gap in the histogram. O D. The histogram with…

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