What is the probability of randomly selecting someone who is Professor and has a New service?

Q: Given that the population of the US was 151 million, 216 million, and 281 million in 1950, 1975, and...

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Q: QUESTION 15 Calculate the range for salary (in dollars per hour) using this data 55, 78, 18, 27, 51,...

A: range = maximum value - minimum value

Q: 2) If all of the values in a set of data were doubled, what would happen to the variance?

A: We need to use the concept of variance.

Q: Calculate the z score for the time taken to buy your product. x = 29 seconds. Use this sample data. ...

A: given data : 45,32,29,63,15,15 x= 29

Q: (b) If n biscuits be distributed among N persons, find the chance that a particular person receives ...

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Q: Compute the residuals. Round your answers to three decimal place y Residual 500 1131 600 1242 700 12...

A: Enter the data in Excel-> Go to Data-> Go to Data Analysis-> Select Regression-> In the ...

Q: Mustration 23. Bring out the fallacy, if any, in the following statement : (a) The mean of a binomia...

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Q: a. Find P22, which is the score separating the bottom 22% scores from the top 78% scores. P22 (for s...

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Q: (b) What is the probability that the bill was not paid on time? Round your answer to four decimal pl...

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Q: The following table gives the number of defects observed in 8 woollen carpets passed as satisfactory...

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Q: die twice- Let the rando Variable x be the mase mum of two nuntber Ai) I roll a fi@ir modulus ofi th...

A: Joint probability mass function : PXY(x,y)=P(X=x,Y=y) is the joint probability mass function of two ...

Q: DIRECTIONS. Solve for the following. Write your answer on separate sheet of paper. 1. Find the mean ...

A: mean=E(X)=∑X.P(X)

Q: (b) What is the probability than an asthma patient is less than 1 year old? The probability that an ...

A: Probability : Probability is a discipline of mathematics concerned with numerical explanations of th...

Q: e average incidence is 2 per million people. What is the probability that a city of 1 million people...

A: By using Poisson distribution:  

Q: The mean of Binomial distribution is 3 and variance is. Find P(1 <x < 6)

A: From the provided information, Mean of binomial distribution (np) = 3 Variance (np(1-p)) = 9/4

Q: If n = 61, ã=38, and s = to one decimal place. 8, construct a confidence interval at a 80% confidenc...

A: Given Information: Sample size n=61 Sample mean x¯=38 Sample standard deviation s=8 The objective is...

Q: Using the data relating to range given below, prepare the R- chart if you are given that for n=5, D3...

A:

Q: 5 Consider the Markov chain with transition matrix (1/2 1/2) P = 1/4 3/4) Find the fundamental matri...

A: Given the transition matrix of the Markov chain as P=12 1214 34

Q: Suppose that an accounting firm does a study to determine the time needed to complete one person's t...

A: Given: n = 100 The sample mean is 22.4 hours. There is a known population standard deviation of 6.4 ...

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

A: Given, Expenses Food 35% Fuel 10% Clothing 20% Rent 15% Miscellaneous 20% Prices (2010) 1150 25...

Q: Calculate the standard deviation sales per store using this population data 91, 53, 71, 4, 30, 16

A: We have given that the population data: 91, 53, 71, 4, 30, 16.

Q: The correlation coefficient between the variables X and Y is r 0.60. If o, = 1.50, 8, = 2.00, X = 10...

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Q: Ving information regarding the price of 3 commodities numbers taking average price as base : |Commod...

A: Given: Year Unit Commodity A Commodity B Commodity C I price 10 4 2 II price 8 3 3 III pri...

Q: Average monthly temperatures or rainfall amounts do not really tell us what our weather will be like...

A: The purpose of collecting weather data has a wide spectrum of applications. The average of monthly t...

Q: The following table shows the number of salesmen working for a certain concem : 1982 46 1983 1984 ´Y...

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Q: A student obtained the mean and standard deviation of 100 observations as 40 and 5 respectively. It ...

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Q: John was assigned the task of investigating the error in payments for routine purchases made by the ...

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Q: Which point is outlier?

A: for the given data which point is an outlier?

Q: calculate P(at least one valve opens) and P(at least one valve fails to open).

A: A boiler has five identical relief valves. The probability that any particular valve will open ondem...

Q: 13. Find the MGF of a random variable whose moments are u, = (r +1)! 2". Ans Mx(t) = (1-2r) 14. If a...

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Q: If H1: μ1 – μ0 > 0 and α= 0.05, what should your sample size be to achieve power = 0.9 if you're onl...

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Q: Samples of three cards are drawn at random from a population of six cards numbered from 1 to 6. Cons...

A: 1)  The population of six cards are numbered from 1 to 6. Three cards are randomly selected. The obj...

Q: In a biomedical research activity it was determined that the survival time, in weeks, of an animal w...

A: Let X represents the animal of the type used in the experiment. Then according to the question, X~ga...

Q: Suppose the jewelry of exams has a population that is normally distributed with standard deviation o...

A:

Q: QUESTION 5 For this binomial distribution, what is the standard deviation for the number of successe...

A: Standard deviation of Binomial distribution is given by σ=√np(1-p)

Q: - 0.5, Exy = 120, Er" = 90, o, = 8 where x and y are deviation from arithmetic average. Find the num...

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Q: What is the Variance for the following discrete probability distribution?

A: The variance of random variable X is calculated as Var(X) = E(X2) - (E(X))2

Q: 3.6 Triathlon times, Part II: The distribution for triathlon time varies depending on the population...

A: From the provided information, For men ages: Mean (µ) = 4383 Standard deviation (σ) = 575 N (4383, 5...

Q: a. Find the probability that a randomly selected quartz time piece will have a replacement time less...

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Q: Find the Parametric equ. for 3X-6y-22 = 15 and ? 2x+y- 22=5 X=3+14t : y=rt-,2=15

A: Parametric equation: a type of equation that employs an independent variable called a parameter (oft...

Q: %3D Compare and contrast for each box plot, also state what skew each box plot is

A: Given four box  plots blue, orange, grey and yellow.  We have to compare each box plot and and also ...

Q: Eight coins are thrown simultaneously. Find the chance of obtaining. (i) at least 6 heads, (ii) no h...

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Q: 2. For a given function f(x) - (x – 2)² + 6 a) Axis of symmetry : x= b) The vertex (h,k) is: (| c) M...

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Q: and let Y; = Xí, i = 1, ..., n. %3D Find the distribution of W 2(Y1+Y2+Y3) 3(Y4+Y5)

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Q: Which measure(s) would not be used when you calculate the standard error of the mean? p-values stand...

A: The standard error measures, roughly, the average difference between the statistic and the populatio...

Q: The following Table gives the profits of a concern for 5 years ending 1983 : Year 2009 2010 2011 201...

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Q: For any 2 RVs X and Y {E(XY)}² < E(X?E(Y²)

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Q: Using the'data given below, calculate Price Index Numbers for the year 1998 by (i) Laspeyre's formul...

A: For the given data, we need to calculate the Price Index Numbers for the year 1998 by using Laspeyre...

Q: What are the cdds tivat Of the first three finishers, unly one will be fram Clar ksuille ♡

A: Here total 9 runners  For selection of of top 3 finishers it is without replacement model  So use hy...

Q: If H1: μ1 – μ0  > 0 and α = 0.05, what effect size seems to interest me if I wish to achieve power =...

A: