39. The income of workers in a factory is given below. Find G.M. Incomes : 565, 228, 75, 1325, 175, 865, 96, 243, 335

Q: Identify which sampling method is applied in the following situations. 1. The teacher randomly…

A: Given that

Q: If you want to be 95% confident of estimating the population mean to within a sampling error of ±5…

A: formula for the sample size :

Q: 4. The table below shows the length of time to brew coffee when Coffee Shop X opened for three days.…

A: Given information: Time  Frequency 0 and less than 4 4 4 and less than 8 5 8 and less than…

Q: Show that the characteristic function of Laplace distribution -ixl ƒ(x) = = 12e²¹x¹.. е 18<x<8 1 is…

A:

Q: It is known from the long time experience that the strength of steel wire made by an existing…

A:

Q: Test the significance of the correlation coefficient calculated in question 5 at α = 0.05. Use the…

A: Given that Test the significance of the correlation coefficient calculated in question 5 at α =…

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A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: write an analysis for the data above and what does the p value mean?

A: From the given information we find the solution.

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A:

Q: The following linear demand specification is estimated for Conlan Enterprises, a price-setting firm:…

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Q: Solve and sketch the problem.  The length of time consumed in waiting for Angkas driver is normally…

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Q: 3. The following are the group index numbers and the group weights of an average working class…

A:

Q: Assume that human body temperatures are normally distributed with a mean of 98.19°F and a standard…

A: Mean(µ) = 98.19Standard deviations (σ) = 0.63X ~ N (µ, σ )= N(201, 22)

Q: The lifetime in hours of a transistor is a random variable having probability function given by f(x)…

A:

Q: Q5. Briefly explain four factors often used to subdivide life in mortality statistics.

A: Mortality of a population is a measure of the rate of death among that population. Mortality of a…

Q: 2) The following are loads (grams) put on the ends of like plastic rods with the resultin…

A: Solution: x y x2 xy 25 1.58 625 39.5 30 1.39 900 41.7 35 1.41 1225 49.35 40 1.6 1600 64…

Q: In 2003, an organization surveyed 1,510 adult Americans and asked about a certain war, "Do you…

A: We have given that,  For 2003 :- X1 = 1086 and n1 = 1510 For 2008 :- X2 = 580 and n2 = 1510 Then,…

Q: 1. For the rectangular distribution y=1/2a, where - a≤x≤a, show that the moment generating function…

A:

Q: 79% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal…

A:

Q: What type of error (Type I or Type II) do you risk incurring with the decision that you made in #3?

A: We need to find the type of error (Type I or Type II) with the decision that is made in #3.

Q: An enquiry into budgets of the middle class families in a city gave the following information :…

A:

Q: 27. Route Planning Brian needs to visit the pet store, the shopping mall, the local farmers market,…

A:

Q: The following data represents the rate of return of the stock exchange (x) and the rate of return of…

A: Solution: As per the guidelines only first three sub parts should be answered. If the remaining…

Q: Test the claim about the population mean, μ, at the given level of significance using the given…

A: The following information has been provided Hypothesized population = 40 Sample mean = 38.3…

Q: A popular theory is that presidential candidates have an advantage if they are taller than their…

A: Given that We have to conduct hypothesis for the claim that presidents trends to be taller than…

Q: Blue Brown Green Orange Red Yellow Total Observed Frequencies 642 364 474 540 333 381 2734 Expected…

A:

Q: 27. Route Planning Brian needs to visit the pet store, the shopping mall, the local farmers market,…

A:

Q: A simple random sample from a population with a normal distribution of 103 body temperatures has…

A: From the provided information, Sample size (n) = 103 Sample standard deviation (s) = 0.61 Confidence…

Q: How many unique random numbers need to be selected from the table of random digits? 3 400 800 1,200

A:

Q: Construct all random samples consisting two observations from the given data. You are asked to guess…

A: Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you…

Q: Two chemical companies can supply a raw material. The concentration of a particular element in this…

A:

Q: Two suppliers manufacture a plastic gear used in a laser printer. The impact strength of these gears…

A: Solution-: Given: n1=10,n2=16,x¯1=290,x¯2=321,s1=12,s2=22,α=0.05 Consider variances are not equal.…

Q: QUESTION 2 A geologist is conducting a study on 7 types of rocks to measure their weight and…

A:

Q: The following table summarizes the analysis of samples of galvanized steel for coating weight and…

A:

Q: A survey asked, "How many tattoos do you currently have on your body?" Of the 1233 males surveyed,…

A: We have given that, For the males:- X1 = 183 and n1 = 1233 For the females :- X2 = 139 and n2 = 1042…

Q: Use the boxplot for radio station B to say whether the data are symmetric or skewed. If the data are…

A: Given the data and box plot for Radio station A and B.  We have to Use the box plot for radio…

Q: To determine if there is gender and/or race discrimination in car buying, lan Ayres put together a…

A:

Q: determine a linear equation for this data and state the limitations of the model

A: here y is a dependent variable it represents Global plastic production and x is an independent…

Q: The service charge for repairs at an automobile service center is based on a standard time specified…

A: From the provided information, Sample size (n) = 30 Sample mean (x̄) = 0.86 Standard deviation (s) =…

Q: Trials in an experiment with a polygraph include 96 results that include 23 cases of wrong results…

A: Given X=73 n=96

Q: Referring to Golf Club example in slides #26-29, using an overall level of significance of 0.01, the…

A: Given information:- α=0.01

Q: TEEPTIONSITIP 5. Is there a reasonable agreement among the instructors in their judgment of the…

A: From the given information we find the solution.

Q: 6. A manufacturer of cotter pins knows that 5 percent of his product is defective. If he sells pins…

A:

Q: Find the minimum sample size n needed to estimate μ for the given values of c, o, and E. c= 0.98,…

A: Solution-: Given: σ=9.8,M.E.=E=2,c=0.98 We want find minimum sample size n needed to estimate μ?

Q: A bottled water distributor wants to estimate the amount of water contained in 1-gallon bottles…

A: Given: x̅ =   0.968 σ =   0.03 n =   50

Q: 13. The anterior cruciate ligament (ACL) is one of the ligaments that help stabilize the knee.…

A:

Q: one-year rate moves up by 9e, and the movements in intermediate rates are calculated by…

A:

Q: Ⓒ Construct a valid joint PMF for a random vector u/ 3 comparents, say Find all marginal punf's;…

A:

Q: [B] If the population is finite in which sampling is without. replacement, then: Pq N-n Vp [² N:…

A: Given that  We have to find that  If the population is finite in which sampling is without…

Q: The manager of IT department at a large government agency is investigating the relationship between…

A: Solution: The estimated regression equation is  y^= 110+ 20 x