The response time in milliseconds was determined for three different types of circuits in an electronic calculator. The results arerecorded in table:Circuit typeResponse19 22 20 18 251220 21 33 27 4016 15 18 26 17(a) What is the value of LSD? Use a = 0.05.Round your answer to two decimal places (e g 98.76).LSD = 1(b) Apply Fisher's LSD method with a = 0.05 and state which circuit type differs or circuit types differ.Crcult 1Circult 2(C) What is the absolute value of difference between means for circuits 1 and 3?Crcult 3Round your answer to one decimal place (e.g 98.7).Crcults 182Crcults 183Crcults 28.3DifferenceNone(d) Estimate the standard error for comparing the means using the graphical method.Round your answer to three decimal places (e.g. 98.765).ô x =3.

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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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You want to see if it makes a difference which lane to be inwhen there is traffic. You randomly observe 296 cars as theypass by on the four lane freeway. The results are displayed inthe table below. Use a level of significance of a = 0.10.a. Complete the rest of the table by filling in theexpected frequencies:Frequency of Cars in Each LaneOutcome Frequency Expected FrequencyLane 173Lane 2Lane 3Lane 4597985
Q1 An engineering student wants to study the impact of temperature and humidity on yield. The following data was recorded by the student. S.N Temperature Humidity Yield 1 40 57 112 2 45 54 118 3 50 54 128 4 55 60 121 60 66 126 65 59 136 7 70 61 144 8 75 58 142 80 59 149 10 85 56 165
An article reported the following frequencies with which ethnic characters appeared in recorded commercials that aired on Philadelphia television stations. Ethnicity: Frequency: African American USE SALT Calculate th x² = | OHP₁ P₂P, P = 0.250 H₁: at least one p, = 0.25 Asian In a recent census, the proportions for these four ethnic groups are 0.177, 0.042, 0.734, and 0.047, respectively. Does the data suggest that the proportions in commercials are different from the census proportions? Carry out a test of appropriate hypotheses using a significance level of 0.01. (Let P P₂P and p be the population proportions of the four ethnic groups (African American, Asian, Caucasian, and Hispanic respectively) appearing in commercials on Philadelphia television stations.) State the appropriate hypotheses. O H₂: P₁ = 0.047, P₂ -0.011, p = 0.330, p = 0.005 H: at least one p, P Caucasian Hispanic 330 OH: P₁ = 0.120, P, = 0.028, p = 0.840, p = 0.013 H: at least one p, * P OH₂: P₁ = 0.177, P₂ = 0.042,…
Solve these questions using the data table below please
Dr.Blume has trained observers to use frequency recording to record the behavior of 12 schizophrenic clients. According to the analysis of the data κ = 0 . 47, do you think the observers are sufficiently trained to allow Dr. Blume to proceed with the research?
The department of health studied the number of patients who need liver transplantation. The following data are the Liver Transplantation Waiting List (LTWL), where y is the size (in number of patients) and x is the corresponding year: y 1216 1702 2716 3707 4706 6760 7631 7552 7675 8444 8390 8554 8795 * 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Round your intermediate answers to four decimal places (e.g. 98.7654). (a) Fit the simple linear regression model using the method of least squares. Find the estimate of o?. Round your answer to the nearest integer (e.g. 9876). i (b) How does the LTWL size change in average for a year? Round your answer to the nearest integer (e.g. 9876). B = i (c) Estimate the number of patients in the list in 2017. ŷ = (d) Calculate the fitted value of y corresponding to x = 2014. Find the corresponding residual. Round your answer to the nearest integer (e.g. 9876). ŷ = i Round your answer to the nearest integer (e.g. 9876). e =
Listed below are the numbers of deaths resulting from motor vehicle crashes. Let x represent the year, with 1975 coded as x = 1, 1980 coded as x = 6, 1985 coded as x = 11, and so on. Construct a scatterplot and identify the mathematical model that best fits the given data. Use the best model to find the projected number of deaths for the year 2028. x (year) 1975 1980 1985 1990 1995 2000 2005 2010 D y (deaths) 44,533 51,122 43,809 44,590 41,798 41,960 43,436 32,697 (...) Choose the correct graph below. O A. O B. O C. D. 52000- 52000- 52000- 52000- DDDD 00 X X X X 32000+ 32000 32000+ 32000+ 0 40 0 40 0 40 0 40 What is the equation of the best model? Select the correct choice below and fill in the answer boxes to complete your choice. Enter only nonzero values. (Type integers or decimals rounded to three decimal places as needed.) O A. y= X B. y = + In x O C. y = + O D. X y=² O E. y = x² + X + Use the best model to find the projected number of such deaths for the year 2028. The projected…
In a study of exhaust emissions from school buses, the pollution intake by passengers was determined for a sample of nine school buses used in the Southern California Air Basin. The pollution intake is the amount of exhaust emissions, in grams per person, that would be inhaled while traveling on the bus during its usual 18-mile trip on congested freeways from South Central LA to a magnet school in West LA. Here are the amounts for the nine buses when driven with the windows open. 1.17 0.33 0.40 0.33 1.32 0.38 0.25 0.40 0.35 (a) Consider making a stemplot. Are there outliers or strong skewness that would preclude use of the t procedures? Which is correct? A. The sample is small and the stemplot is right skewed with possible outliers, so use of t procedures is not appropriate. b. The distribution is symmetric so use of t procedures is appropriate. c. The sample is small and the stemplot is left skewed with possible outliers, so use of t procedures is…
As suburban gardeners know, deer will eat almost anything green. In a study of pine seedlings at an environmental center in Ohio, researchers noted how deer damage varied with how much of the seedling was covered by thorny undergrowth. Deer damage Deer damage Thorny cover Yes No None 6060 151151 <13<13 7676 158158 1313 to 2323 4444 177177 >23>23 2929 176176 (a) What is the probability that a randomly selected seedling was damaged by deer? (Enter your answer rounded to two decimal places.) probability = (b) What are the conditional probabilities that a randomly selected seedling was damaged, given each level of cover? (?= a seedling was damaged by a deerD= a seedling was damaged by a deer .) Drag the correct answer to the appropriate column. ?(? | P(D | no cover))?(? | cover <13)P(D | cover <13)?(? |13 ?? 23)P(D |13 to 23)?(? | cover>23)
(Please show all work on how you got this so I may learn from it and check my answers.) A researcher is interested in understanding if perfume affects how attractive a person is perceived tobe. To examine this phenomenon, the research randomly assigns the participants to rate theattractiveness of an individual from one of three groups: no perfume, a small amount of perfume, and alarge amount of perfume. Below are the ratings to how attractive the participants find the individual:NO Perfume A SMALL Amount of Perfume A LARGE Amount of Perfume4 6 05 3 13 5 05 4 14 5 23…
COMMUNITY PHARMACY 127th St In F of Marle (212) 926-7500 Fax (212) 426-5900 www.harian.com RHOOD PHARMACY m Southern X o Mail-Ald X W W3Scho X W' Exercise X 10 # of movies Frequency 0 1 Twenty-three randomly selected students were asked the number of movies they watched the previous week. The results are as follows. 2 3 4 4 Number of Movies Watched 9 6 3 Welcom 1 NCC-1701 X + V a. Select the correct histogram of the data, where a value is counted in a class interval if it falls on the left boundary, but not if it falls on the right boundary. ☐

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