• If a pair of dice is tossed. What is the probability that a. the sum is either 7 or 11? b. the sum of the numbers that comes up is at least 6? c. the sum of the numbers that comes up is at most 6?

Q: The cotton aphid poses a threat to cotton crop: in Iraq. The accompanying data on y = infestation…

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Q: selected such that at least one boy should be there? b. From a group of 7 men and 6 women, five…

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Q: Q1. a) If X~N(25, 16), then find the following probabilities. i) P(X > 31) ii) P(16 < X < 34) b)…

A: Given that.   X~N( μ=25 , ?^2=16 )   μ=25     , ?=4   Z-score =( x - μ )/?   NOTE:- According to…

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: Brgy. Tangub vaccination center : 15, 15, 17, 19, 24, 26, 27, 28, 31, 32, 33, 36, 38, 39, 42, 5, 46,…

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Q: Q. 30 Define Marshall-Edge worth price index.

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Q: IV. Shibay-Shibay was handed a well-shuffled deck of 52 cards. Having a lot of energy, she decided…

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Q: Dr. Vitz is a professor in Engineering Statistics. She gives questions multiple choice tests. If…

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

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Q: Construct a Venn Diagram showing three overlapping events A, B and C. Shade the region corresponding…

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Q: Two fair dice are thrown. Find the probability that the product is a perfect square?

A: Two fair dice are thrown. Find the probability that the product is a perfect square?

Q: Example 31. Plot Less than Ogive and More than Ogive for the following data: Cost of production 4- 6…

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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: Example 22. Draw the histogram for the following data : Marks 0 - 10 10 - 20 20 – 30 30 – 40 40 – 50…

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Q: 9. Fit a straight line trend by the method of least squares. Year: 1990 1991 1992 1993 1994 1995…

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Q: The weight of male contestants is normally distributed with a mean of 90 kg and a standard deviation…

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Q: Suppose that patients to a dentist's office arrive according to a Poisson process with a rate of 5…

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Q: Binomial Probability Find the probability of each event. 1) A basketball player has a 60% chance of…

A: Given that ; P = 60%  n = 6 X = 3 By using binomial distribution we solve this problem.  Note:…

Q: A game has 49 green balls and 1 red ball in a bag, and you will randomly select one ball from the…

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Q: A card is selected at random from an ordinary deck of playing cards. What is the probability that…

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Q: . Suppose your waiting time for the campus shuttle in the morning is uniformly distributed on [0,…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Let Y denote the present value of a ten-year deferred 30-year temporary life annuity- 100, immediate…

A: Given that Y denote the present value of a ten-year deferred 30-year temporary life…

Q: Example 28. Draw a histogram, a frequency polygon and a smoothed frequency curve from the following…

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

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Q: Q. 32 What is the principle of least squares ?

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Q: Find E(X + Y

A: here write marginal distribution of X and Y

Q: iv) Explain why, in this instance, the correlation of X and Y,p(X,Y), is equal to the covariance of…

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Q: Refer to the data given . If the government will give financial assistance to senior citizens who…

A: Given Information:  No. of household=5 Total no. of vaccinated people=23 Total no. of vaccinated…

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

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Q: From a group of 7 men and 6 women, five persons are to be selected to form a committee so that there…

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Q: Security scans are often completed on computers in a particular college to assess the security risk…

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Q: Suppose that during COVID the unemployment rate is 23% (i.e. the probability of being unemployed is…

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Q: It's G Firm 25th anniversary. They are giving prizes to every 25th response. Find the probability of…

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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: The mean weight of all 20-year-old women in a certain region is 130 pounds. A random sample of 50…

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Q: (b) A certain area of the Philippines is, on average, hit by 6 typhoons per year. (b.1) Find the…

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Q: 2. A company wanted to assess the impact of R and D expenditure (X) on annual profit (). Following…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   9 45 405 81 2025   7 42 294 49 1764   5 41 205…

Q: Calculate the probability that a batch is rejected. (ii) If 1,200 bathces were inspected how many…

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Q: Explain crude birth rate and give. its merits and demerits.

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Q: Example 27. The distribution of monthly wages (in Rs.) of 40 workers in a factory is given below:…

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Q: In a county male height is normally distributed with a mean of 177 cm and a standard deviation of 6…

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Q: 2. Calculate the two line of regression for the following data. X: 1 3 4 5 Y. 3 9 12 15 S Scanned…

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Q: Use the following letters J,O,L,L,Y to explain the difference between "permutations" and…

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Q: Assume that you plan lo use a significance level of a0.06 to test the claim that p, "P Use the given…

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Q: IX. In a lecture class, there are students in which 35% of them lives in Luzon, 40% lives in Visayas…

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Q: An economist would like to estimate the mean amount of money that a family spends to within $36. If…

A: Given that  Population standard deviation =200 Margin of error =E =36 91% confidence.

Q: 16. The following table describes speed post rates from 1975 to 1987 Year: 1975 1976 1977 1978 1979…

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Q: A large normally distributed population has a mean of 502 and a standard deviation of 25. If the…

A: Given,sample size(n)=36mean(μ)=502standard deviation(σ)=25

Q: sample mean of 124 pounds with a standard deviation of 15 pounds. The women's measurements were…

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