Answer questions A-C below show work A. Find x when y= -2 B.Find the slope C. Indicate if the line is increasing or decreasing? And write the equation of the line

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A: Given that  Find 3rd quartile  40th percentile  Decile D5:

Q: Define a Gamma distribution and prove that the sum of two independent Gamma variates with parameters…

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Q: A bus comes by every 13 minutes. The times from when a person arives at the busstop until the bus…

A: Given a=0 b=13

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Q: 21) The other managers also agreed that the flooring product was likely to fail again, resulting in…

A: The answer is probability of harm.

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Q: QUESTION TWO. The marketing department of a major personal fragrance company was trying to ascertain…

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A: *Answer:

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Q: Company sales invoices, census data, and trade association statistics are examples of

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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)

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A: Solution: Given that in a quantitative analysis where widowed people suffering with bereavement…

Q: Scores of 10 - Silver in a 50- Item Test Scores No. of students 25 - 29 4 30-34 3 35-39 6 40-44 7

A: Solution-: We have following frequency distribution table: We want to find, (1) In solving for the…

Q: 1. In an attempt to assess the effect of the length of time spent in using social media to the…

A: a)

Q: A bus comes by every 13 minutes. The times from when a person arives at the busstop until the bus…

A: From the provided information, The model follows uniform distribution. U (0, 13) Here a = 0 and b =…

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Q: Distinguish Experimental Conditions from Experimental Unit.

A: Given information: Experimental Conditions from Experimental Unit.

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A: From the provided information, Sample size (n) = 6047 From which 150 developed the adverse reaction…

Q: Consider a normally distributed continuous random variable having a mean of 100 and standard…

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Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: It is given that the confidence level is 0.95, the population standard deviation is 60.5 and the…

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A: Since we know that as the level of confidence increases the width of confidence interval increases.…

Q: .(-1,8) and (-3,2) Find the slope of the line that passes through the two given points indicate if…

A: The points are (x1,y1) = (-1,8) and (x2,y2)=(-3,2).

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…

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Q: 12. Define a Gamma distribution and prove that the sum of two independent Gamma variates with…

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Q: A statistics class with 60 students were given an examination and the results are shown below. 88 47…

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Q: the shoreline. g. 26% of the time a person will wait at least how long before the wave crashes in?…

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Q: 3. Obtain the moment generating function of the binomial distribution. Derive from it the result…

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Q: 2. We have two random variables representing returns on two assets: X₁ and X₂. They have the…

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Q: 6 hours.

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A: Claim : The mean amount of lead in drinking water in UAE is less than 15 mcg/L.

Q: 2. If the population is infinite or the population is finite in which sampling is with replacement,…

A: Given that  If the population is infinite or finite with replacement  Then the sampling distribution…

Q: Status: D. Line Graph M. Scatterplot A Area Chart N. Histogram ✓ Bar Chart E. Pyramid Graph Box and…

A: Since, we only do up to three subparts of a problem, we'll be doing the first three subparts only.…

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Q: Cite five (5) research questions used in real life and formulate your null and alternative…

A: 1) H0: No more than 30% of the registered voters in Santa Clara County voted in the primary…

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Q: creat a sample distribution for the sample mean from the following population if we take sample…

A: The mean and standard deviation of the population is, μ=∑xN  =40+45+50+55+605  =50σ=∑x-x2n…

Q: Find the m.g.f. for triangular distribution defined by 0≤x≤ 1, f(x) = x₁ f(x) = 2-x. 1≤x≤ 2.

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Q: Students in an experimental psychology class did research on depression as a sign of stress. A test…

A: The answer is attached below,

Q: Construct a valid joint PMF for a random vector with 3 components, say W=(X,Y,Z)' And give all…

A: Let X, Y, Z be three discrete random variables which takes the values  X=1,2,3Y=1,2,3Z=1,2 Let the…

Q: suppose that we wish to estimate the mean time spent by ZU female students on social media per day…

A: Given that  Sample size n =28 Degree of freedom =df = n-1

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Q: cumulants are m. for Poisson distribution with parameter m, all the

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