Example Calculate mode using empirical formula for the given frequency distribution. С. I.: f. 10-20 20-30 30-40 40-50 50-60 60-70 12 35 40 25 10 6.

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

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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: (vii) at least one of the car (viii) none of the car.

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Q: Half of a class took Form A of a test, and half took Form B. Of the students who took Form B, 39%…

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Q: The sisal composite tensile strength is normally distributed with a mean and standard deviation of…

A: A continuous random variable X follows Normal distribution with parameters μ and σ2 if its…

Q: For numbers 15-24, consider the following. The joint pmf of X and Y are given in the table below: Y…

A: Introduction:  Correlation:  The correlation coefficient is given by, ρ=Cov(X,Y)σxσy Where, Cov(X,Y)…

Q: If X and Y are independent, then p(X, Y) = 0

A: The basic rules for mean and variance when two variables are independent are  E[XY] = E[X] E[Y]…

Q: 14. Here are data describing the air pollution rate (in pp) in a western city. Year: 1980 1985 1990…

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Q: Let X,Y, Z be random variables each having a mean µ and variance o². rurther, let Cov(X,Y) = 2,…

A: In question, Given that X, Y, Z are three random variables with mean mu and variance sigma^2. And,…

Q: 13. Estimate the number of employees earning at least 63 but less than Rs 75 from the following…

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Q: 44. A regression analysis yields the line ŷ = 32 + 0.4x. One of the subjects, Racheal, has x = 60…

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Q: 4. It is your little brother's birthday, and he has invited 5 of his friends to come to his party.…

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Q: Based from the record, the mean weight of the newborn babies is 4.8 lbs with a standard deviation of…

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Q: Example 5. If A, B and C are three sets and U is the universal set such that n(U) = 1000, n(A) =…

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Q: a) Find P[R3|L4]. (b) Find P[R4|L5]. (c) Find P[L2|O]

A: here dingle die is rolled  so total possible outcomes are 6 here probability of rolling each number…

Q: dom sample of size n = 41. at is the mean of the distribution of sample means? |(Please enter an…

A: Given data,μ=140σ=39.4n=41

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: 5. From the following details fit a straight line trend. Year: 1989 1990 1991 1994 1995 1992 1993…

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Q: Example 21. B arranges to pay a debt of Rs. 9600 in 48 annual instalments which form an arithmetic…

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Q: of measuring surface smoothne nal surface smoothness in code ver the region 0 < x < 4,0 < h that fay…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three…

Q: You have 3 science books, 2 language books, and 4 philosophy books. In how many ways can they be…

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Q: What are fixed and chain base index numbers.

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Q: In an experiment, A, B,C, and D are events with probabilities P[A]= 2/8, P[B]=3/24, P[C]=15/24, and…

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Q: A. Suppose four coins are tossed, show all the outcomes and find the probability of getting: 1. two…

A: As per company guidelines I solved only First questions .thank you

Q: How many possible meals are there?

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

Q: Example 6. The quality control manager of a tyre company has sample of 100 tyres and has found the…

A: We have given that,  Sample mean (x̄) = 30214, Population standard deviation (σ) = 860, sample size…

Q: P(39)=50C39(0.61)39(1-0.61)50-39    Probablilty exsactly 39 of murdes were cleared    P(x=39)

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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: The proportion of impurities per batch in a chemical product is a random variable X with density…

A: Obtain the mean of the proportion of impurities in a randomly selected batch of chemical.   The…

Q: A swim team consists of 5 boys and 4 girls. A relay team of 4 swimmers is chosen at random from the…

A: Solution-: Given: Number of boys=5 and Number of girls=4    Total=5 (Boys) +4( girls)=9  A relay…

Q: Suppose you know the following about a population with two traits: the first has variants A or and…

A: From the given information, P(A)=0.37 P(B)=0.47 P(AB)=0.23

Q: Example 16. Mr X saved Rs. 18500 in 10 years. In each year after the first he saved Rs. 200 more…

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Q: (2) Determine the areas under the normal curve given the mean of the distribution u = 80 and o =…

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Q: ... u-41, consider the following. The amount of gold X (in ounces) that a prospec- tor digs in a a…

A: X and Y are independent if f(x)*f(y)= f(x,y)  Where f(x,y) is joint distribution of X and Y.  P.d.f.…

Q: The random variable X, the particle size (in micrometers) distribution is characterized by the…

A: We have given the random variable X, the particle size distribution is character

Q: 2. (1) Compute for the Relative Frequency and Percent Relative Frequency for the Frequency…

A: Given: N=160

Q: Describe the types of probability samples and discuss under which conditions they may be the most…

A: Solution-: Describe the types of probability samples and discuss under which conditions they may be…

Q: The joint pmf of X and Y are given in the table below: Y X 2 4 2 1 15 6. 15 2 15 15 3 15

A: In question, We have joint probability mass function of X and Y. Then we'll find, E(X^2) = ? The…

Q: The likelihoods of any two events are equa Sample Space When a object can be selected multiple […

A: The objective is to match the following definitions to the correct terms.

Q: he Home and Garden (HG) chain of superstores imports decorative planters from Italy. Weekly demand…

A: Weekly demand for planters averages 1,500 with a standard deviation of 800

Q: You are given that P(A) = 0.5, P(B) = 0.25, and P(A n B) = 01. What is the probability that neither…

A: Given that  P(A)=0.5 , P(B)=0.25 , P(A ∩ B)=0.1 Find  P(neither A nor B) Note: According to bartleby…

Q: 7. Fit a straight line trend by the method of least squares to the following data. Year: 1989 1990…

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Q: probability and non-probability: answer the following questions

A: Sampling is a way of selecting a subset of a population.

Q: Y = -2X, then p(X, Y) = 1?

A: Solution

Q: Explain the semi average method of trend estimation in a time series and give its merits and…

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Q: significant correlation.) Then use the regression equation to predict the value of y for each of the…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

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

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Q: The table summarizes results from 982 pedestrian deaths that were caused by automobile accidents.…

A: Given that table.    pedestrian intoxicated      Driver intoxicated  Yes No   Yes 55 85 140…

Q: Calculate the probability P(E). There are 32 students in categories A and B combined. Some students…

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Q: A sample of 19 joint specimens of a particular type gave a sample mean proportional limit stress of…

A: Given that