In how many ways can 3 Americans, 4 Frenchmen, 4 Danes, and 2 Italians be seated in a row so that those of the same nationality sit together

Q: Explain the Graphic method of trend estimation in a time series and give its merits and demerits.

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Q: A fair coin is flipped 3 times. What is the probability that at least one of the flips comes out…

A: When we flipped a coin  3 times, then all the possible 8 outcomes are  { HHH, THH, HTH, HHT, TTH,…

Q: You are looking for an investment opportunity that will provide a yield of at least 10%. You…

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Q: How many possible meals are there?

A: here use fundamental of counting principle   The school canteen offers the following choices for…

Q: Find the conditional distribution pY |X(y | 2).

A: Given that  Joint probability mass function of X and Y is    Y=0 Y=2 Y=4 X=1 0 2/15 1/15 X=2…

Q: V. Distributive Laws : If A, B and C are any three sets, then (1) AU (Bn C) = (A U B) n(AUC)

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Q: (ii) An(BUC) = (AN B) U (A nC). i.e., union and intersection are distributive over intersection and…

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Q: Example 7. In a random selection of 64 of 600 road crossing in a town, the mean number of automobile…

A: We have given that Sample size (n) = 64Sample mean (x̅) = 4.2Standard deviations (s) =…

Q: A chemical engineer is trying to electroplate copper onto a circuit board. The engineer has found…

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Q: 2. For the above data draw frequency curve.

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Q: 1. If ‘m’ is the mean of a Poisson distribution, the standard deviation is given by ___________

A: We have given that, If mean of Poisson distribution is 'm' then standard deviation is given by?

Q: What are fixed and chain base index numbers.

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Q: IV. Associative Laws : If A, B and C are any three sets, then (1) (A U B) U C = AU (BUC) (ii)…

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Q: If the probability of engine malfunction during any one hour period is p = 0.02 and Y denotes the…

A: Given data, the probability of engine malfunction during any one hour period is p = 0.02 Let Y…

Q: Example 4. In a survey of 2000 mobile it was found that 1700 users liked Nokia and 1500 users liked…

A: In question,  Given that in a survey of 2000 mobile it wa found that 1700 users liked Nokia and 1500…

Q: For each of the following, shade the normal curve and find the percentage of that shaded part. (Show…

A: As per guideline expert have to answer first three subparts only.

Q: 5.) Count Your Money Six people were asked to determine the amount of money they were carrying, to…

A: Find Range = ? Standard deviation =?

Q: Problem 6. Let A = {a, b, c, d}, B = {a, b, c} and C = {b, d}. Find all sets X such that : () ХСВ…

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Q: 18. Fit a straight line trend for the following data. 1997 1996 1998 1999 2000 Year: Per capita: 25…

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Q: Use either the letters in your surname or numbers in your student id card to explain the difference…

A: A permutation of a set is an arrangement of its members into a sequence. Or if the set is already…

Q: Air Bag Safety   According to a study conducted by the a public health school, a child seated in the…

A: Given data According to study conducted by public health school  a child seated in the front seat…

Q: 7. A survey shows that of 26 restaurants, 13 were pizza places, 9 did not sell alcohol, and 7 were…

A: Venn diagrams can be used to solve such type of problems. Venn diagram uses circle to represent a…

Q: Example 6. In a survey of 500 students in a college 180 were listed as drinking Tea, 275 ás drinking…

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Q: e following pie chart shows the percentage of the population that used the Internet in 2000, broken…

A: Given: P(Internet user and < 35000) = 0.11 P(Internet user and ≥35000) = 0.35 P(Non user and <…

Q: Anna surveyed 48 students to see which devices are available at home used for their online learning,…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: a) Find the probability that the student is taking at least one course in electronics, engine…

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Q: on a shelf with space for seven books. What is the probability that all the books in the same…

A: HERE given there are total 7 books  3 french books and 4 spanish book

Q: A simple binary communication channel carries messages by using two signals 0 and 1. It was assumed…

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Q: 1. Find Karl Pearson's co-efficient of correlation of the following data. Age of husband (x): 20 22…

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Q: Saved The probability of A is 0.4. The probability of B is 0.5. The probability that neither A nor B…

A: We have given that P(A) = 0.4 P(B) = 0.5 Probability that neither A nor B happens is P(A ∪ B)c = 0.1…

Q: 3.) Quartiles The prices of a gallon of the 21 top-rated interior paints, as rated in the March 2010…

A: Given that  The data are 18,19,19,19,20,20,21,21,22,22,23,23,25,27,30,33,35,35,35,58,61 n=21

Q: QUESTION 2 Suppose the random variables x and y are independent and both uniformly distributed in…

A: Suppose the random variables X and Y are independent and both uniformly distributed in the interval…

Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A: Solution-: Given: The regression equation is reported as Y^=-61.46*X+41.55 and r2=0.16 We find…

Q: 18. Fit a straight line trend for the following data. 1997 1996 1998 1999 2000 Year: Per capita: 25…

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Q: Consider the following. (Give your answers correct to four decimal places.) (a) Find P(-2.1 < z <…

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Q: If you are to test a hypothesis about a given set of dependent or correlated sample, what…

A: To test the correlation we use t test. Test statistic t for testing correlation is given by, t=…

Q: A population of values has an unknown distribution with µ = 124.2 and o Fandom sample of size n =…

A: Given data,μ=124.2σ=58.3n=106

Q: The joint pmf of X and Y are given in the table below: Y X 4 2 1 15 15 2 15 3 3 15 15 上面00

A: Solution-: We have following table: X Y 0 2 4 1 0 2/15 1/15 2 3/15 6/15 0 3 3/15 0 0…

Q: Let f(x)=k(4x -x²) if 03. (a) For what value of k is f(x) a probability density function? (b) For…

A: Given that  Probability density functions of X  f(x)=k(4x-x2)  , 0&lt;x&lt;3 f(x)=0     , x&lt;0 ,…

Q: 8. A consultant's study found Mary's call centre had a 7% chance of transferring a call about…

A: When the occurrence of an event depends on the occurrence of another event, we use conditional…

Q: 19. The following data describes the export quantity of a company. Year: 1995 1996 1997 1998 1999…

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Q: Please interpret box plot given summary statistics.

A: Box plot is a visual display of five number summary.

Q: For items 8 – 13, use the probability of the union of two events, independent, or dependent events…

A: According to guidelines we solve only first question when given questions are different.

Q: Consider the probability density function if x 4. Find Var(X). Select one: 171 O O O

A: Given,f(x)=0if x&lt;-2136(8+2x-x2)if -2≤x≤40if x&gt;4

Q: 7. A company wanted to assess the impact of R and D expenditure (x) on annual profit (y) following…

A: We have given that,  The data swt are: X:- 9, 7, 5, 10, 4, 5, 3, 2 Y:- 45, 42, 41, 60, 30, 34, 25,…

Q: 6. i,How many permutations are required to be sure of predicting the outcome of tossing a six sided…

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Q: An urn contains 30 red gumball and 35 blue gumballs. Two are chosen at random, one after the other,…

A: For the given data Find the required probabilities

Q: Professor Tough's final examination has 20 true-false questions followed by 3 multiple-choice…

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Q: The line of best fit through a set of data is y = - 42.824 – 3.033x According to this equation, what…

A: It is given that Regression line of y on x is y = -42.824 - 3.033x

Q: The joint pmf of X and Y are given in the table below: Y X 4 2 2 15 15 3 15 15 15 123

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