16. Two dice are rolled at the same time. What is the chance of getting... a) two even numbers b) a sum of 12 c) a sum of 7 d) doubles

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A: Given,E(X)=2E(Y)=4E(Z)=10X,Y ,Z are dependent

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Q: Frequency Distributions and Graphs 1. List five reasons for organizing data into a frequency distrib...

A:

Q: 9. A manufacturing company has designed a new test of mechanical aptitude for its machinists. Scores...

A: Given  Mean=μ=400, standard deviations=σ=60  

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Q: If Ho is false, the true or actual mean is equal the hypothesized mean, µ = µo O True O False

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Q: While seafood consumption has health benefits as part of a well-diversified diet, the quality of the...

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Q: Find the probability of showing a 4 on both rolls.

A: here 6 sided die rolled twice so total outcomes = 6×6 = 36 and  Let E be the event "the first roll i...

Q: Let event A = subject is telling the truth and event B = polygraph test indicates that the subject i...

A: GivenEvent A = subject is telling the truthEvent B = polygraph test indicates that the subject is ly...

Q: Suppose X~N (μ,σ') then X – H - - N (0, 1) o2 O True O False

A:

Q: Activity 1 The following are the age (in years) and systolic blood pressure of 20 apparently healthy...

A: Correlation are used to measure the strength of association between the two numerical variable. The ...

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Q: 7. Let f(x; µ, 0) be the pdf of a normally distributed random variable with parameters µ and o. (a) ...

A: PDF of normal distribution with parameter µ and σ is given by, fx;µ,σ = 1σ2πe-x-μ22σ2 ; x∈R a. Note ...

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A: We need to give a problem that would be an example of the term(s) given: Combination Mutually exclus...

Q: Construct the confidence interval for the population mean u. c=0.95, x = 15.7, o = 7.0, and n= 75 A ...

A:   Given problem Given that   c = 0.95 x̄ = 15.7 σ = 7.0 n = 75  

Q: A die is rolled twice. What is the probability of showing a 3 on the first roll and an even number o...

A: if we roll a die twice than the possible outcomes are1,11,21,31,41,51,62,12,2(2,3)2,42,52,63,13,23,3...

Q: For continuous random variable X with f(x) as its pdf, the cdf is f (u) du O True O False

A: We want to tell you above statement is true or false 

Q: c. If X has a geometric distribution with success probability p. Show that for any positive integer ...

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Q: fllustration 12.11. Given below are the figures of production in thousand quintals of a sugar factor...

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Q: From the data given below find : (a) the two regression equations. (b) the coefficient of correlatio...

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Q: b. Let X be a continuous random variable with probability density function for 0 <x < 1 for 1 <x< 3 ...

A: Givenf(x)=a     for 0≤x≤1b    for 1≤x≤30    otherwise

Q: Diastolic blood pressure is a measure of the pressure when arteries rest between heartbeats. Suppose...

A:

Q: A. Suppose BS Applied Math Program has 10 students and the height (in cm) are as follows: 170, 165, ...

A: Given that; A data set is given firstly arranged this data set in ascending order.  149, 150, 152, 1...

Q: Make a tree diagram to find the number of choices that are possible. Then, check your answer using t...

A: Given Scott has 5 shirts, 3 pairs of pants, and 4 pairs of socks.  How many different outfits can Sc...

Q: Residual Plot 20 24 20 40 100 10 15 20 Order (Time) Linear regression models rely on four important ...

A: Linear Regression Model's rely on four important assumptions ("LINE") 1) L - Linearity   The relatio...

Q: 4. Show that (1) SST = Cu – 9)* = vy - ng = v (1. -) (2) sSR= Em – )* = ³ X'y – ng° = v ( H - )v (3)...

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: The Table below shows the average score of the150 students sampled from the University of the East E...

A: Given data is Score(out of 100) Number of students 40 - 49 19 50 - 59 32 60 - 69 49 70 - ...

Q: survey conducted by Gallup in 2020 asked 1,102 randomly selected U.S. adults, "What do you think is ...

A: We have given that  Sample size n=1102 90% confidence interval.  = (0.6773, 0.7227)

Q: trend ánd short-term fluctuations of the given data: year: 1968 1969 1970 1971 1972 1973 1974 1975 p...

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Q: 23. Lengths of Bolts In a random sample of 70 bolts, the mean length was 1.25 inches and the standar...

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

Q: SPdihary deck of cards, returning the card each time and if the number of red cards drawn is at most...

A: Here AS per policy I have calculated first main question  Here check condition for binomial theorem 

Q: A. Determine the sample size, given the following data: 1. s = 6, E = 0.5, confidence level= 95% %3D...

A: As per our guidelines we are suppose to answer only three sub parts. Given,s=6  ,   E=0.5α=1-0.95=0....

Q: percentages of teehagers In varous Counties that hav certain drugs. Complete parts (a) through (c) b...

A: Given data, X Y X*Y X*X Y*Y 23 4 92 529 16 17 3 51 289 9 40 20 800 1600 400 5 1 5 25 1 ...

Q: Find the probability of the given event. Write your answers as reduced fractions. (a) The marble i...

A: It is given that Number of red marbles = 10 Number of blue marbles = 12 Then, Number of odd-numbered...

Q: An article in the Annals of Botany investigated whether the stem diameters of the dicot sunflower wo...

A: We have given that  Mean μ = 35 Standard deviation σ = 3 Z-score, z = (x – μ) / σ Note: According to...

Q: if we further assume the AR(1) series being a Gaussian process, please give the general formula for ...

A: Given: AR(1) series is a gaussian process

Q: 11. In a partially destroyed laboratory record of an analysis of correlation data, the following res...

A:  

Q: You are interested in testing whether the average age of household heads is higher in the suburbs th...

A: Given: For sample 1 (the household heads): Sample size (n1)=45Sample mean(x¯1)=44Standard deviation ...

Q: In two towns A and B, the following information was supplied by an investigator: Town A 240 Town B 2...

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Q: .8. Calculate B, and B, for the following data : X: 1 2 3. 4 6 8. F: 10 15 20 25 20 15 10

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Q: Intelligence quotas on two different tests are normally distributed. Test A has a mear and a standar...

A: Given data,For Team AMean μ=100sd    σ=16Individual score is x=132For Team BMean μ=100sd    σ=13Indi...

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A: Solution is given:

Q: Suppose you wish to find the average annu salary for school teachers in the United States. You poole...

A: Given data,Mean μ=53145sd    σ=16451n=31Find 95% CI?

Q: Holding a variable constant is a technique for removing one threat to_ but it can limit the A. exter...

A: Here option D is correct. Holding a variable constant is technique for removing one threat to intern...

Q: b) The following data shows the number of hours slept by a patient in I weeks 12 18 09 16 11 10 08 i...

A: From the provided information, Sample size (n) = 7

Q: i. What is the value of the degree of freedom for this test?  ii. What is the p-value for this test?...

A: The claim is that workers are for or against mandatory vaccination.