Problem : Four units are connected in series with independent performance. The probabilities are as shown. Unit 1 2 3 4 Probability 0.97 0.93 0.90 0.95 Determine the system reliability.

Q: (a) Below is the extract of the first few questions in the questionnaire. Define the type of variabl...

A: QI) As variable takes outcomes Business, Engineering, Arts or Science.  Hence given variable is Cate...

Q: Given the information in above table and the null that the marginal propensity to consumption (B1) i...

A: The question of multiple linear regression. C=ß0+ß1Rt+ß2lt

Q: 55. A concert producer has scheduled an outdoor concert for next Saturday. If it does not rain, the ...

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Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean ...

A: Given that  The following table :  Low Temperature frequency  40-44 3 45-49 5 50-54 11 55...

Q: Let L be a r.v: P(L <= 0) = 90%, P(L = 10) = 5%, P(L = 20) = 5%. Find VaR95%(L) and VaR95.1%(L). Exp...

A: Given the probabilities of the random variable L as PL≤0=90% PL=10=5% PL=20=5%

Q: e. Construct a probability distribution. Random variable x follow binomial distribution X Bin(n=3,p=...

A: Given that, probability distribution X 0 1 2 3 P(X=x) 0.125 0.375 0.375 0.125   We need to c...

Q: When rs = 0.3 and x = 10. It was later discovered that the difference in ranks in two subjects by on...

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Q: How do you you decide whether your a test is one, two, left or right tailed?

A: Any assumption about the parameter or probability function is known as Hypothesis testing (HT). 

Q: Problem 2. The national soccer team plays soccer 3 times a week. The team plays soccer, O days is 0....

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Q: In a binomial distribution consisting of 5 independent trials, probabilities of 1 and 2 success are ...

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Q: A frequency distribution gives the following results () Coefficient of variation = 5 (ii) Standard d...

A: Given,coefficient of variation=5standard deviation(SD)=2karl pearson's coefficient of skewness=0.5

Q: Q. 1. Calculate median from the following items : 5, 7, 9, 11, 13, 15, 17, 19, 21

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Q: A political candidate has asked you to conduct a poll to determine what percentage of people support...

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Q: C. The student has competed in Rhythm and Standard, but not smooth?

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Q: Calculate mean deviation from (i) mean and (ii) Median for the following data. Also calculate co-eff...

A: Mean deviation are easily calculated and it involve all the observations in the data set. But it is ...

Q: Let U= {1,2,3,4,5,6,7,8,9,10} be the universal set A={1,2,3,4,5,6}, and B={5,6,7,8}. Which of the fo...

A: Given that  U is a universal set { 1,2,3,4,5,6,7,8,9,10} A= { 1,2,3,4,5,6} and  B = {5, 6,7,8} By us...

Q: 2. Owners of a weight loss programme want to obtain an indication of the total number of subscriptio...

A: Given Information:       Margin of error E= 0.10Standard deviation σ=20.5Significance Level α=0.05  

Q: Obtain maximum likelihood estimate of 0 in f(x, 0) = (1 + 0) x®, Example 0<x<1, based on an independ...

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Q: Discuss the way someone can perceive and consume statistical information experienced in everyday lif...

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Q: A frequency distribution gives the following results : () Coefficient of variation = 5 (ii) Standard...

A: Given,Coefficient of variation(CV)=5standard deviation(σ)=2Karl Pearson's coefficient of skewness(Sk...

Q: 16. Fit a binomial distribution to the following data : 2 3 4 1 х : 10 4 62 46 28 f :

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Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average ...

A: Given that  an average of 147 minutes with a standard deviation of 15 minutes.  n=49 

Q: Suppose an experiment of a dodecagon (12-sided die) is rolled at random. If we let X to be the dodec...

A: Given that  A die (12 sided die) rolled at random   

Q: We want to investigate whether Ozone values differ across months as measured. 2.1 State the null and...

A: H0=Null hypothesis  H1: Alternate hypothesis 

Q: Statistical inference uses statistical methods to make decisions about the population. It utilizes t...

A: Statistical inference are used to make conclusion or inference about the population. The information...

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.5% confidence interv...

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Q: 9. From the data given below examine whether there exists any correlation between X and Y: X: 6.9 8....

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Q: A market research firm is interested in surveying certain attitudes in a small community. There are ...

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Q: A frequency distribution gives the following results : () Coefficient of variation = 5 (ii) Standard...

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Q: Time (sec) Frequency D Refer to the table summarizing service times (seconds) of dinners at a fast f...

A: Given the table summarizing service times (seconds) of dinners at a fast food restaurant. We have to...

Q: Determine the values of the random variable in each of the following situations. 11. Two coins are t...

A: The random variable gives the numerical description for each possible outcome of an experiment. Its ...

Q: Choose the right answer for the following:

A: Spatial data is location-specific data and non-spatial data doesn't involve locations.

Q: Giving a test to a group of students, the grades and gender are summarized below A. Total Male 8. 13...

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Q: 16. Fit a binomial distribution to the following data : 2 3 4 х : 10 4 62 46 28 f :

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Q: Calculate co-efficient of correlation from the following information by taking deviation from actual...

A: Correlation is the degree or extent of relationship between two variables. 

Q: Which of the following is the negation of " If Tom is Ann's father, then Jim is her uncle." ?

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Q: Problem: Which double sampling plan should be used for a lot size of 1500 and an LTPD of 5% with a c...

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Q: The scores of 7 students on the midterm exam and final exam were as follows. Student Midterm Final A...

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Q: Buuton 5: Expect alion and Varian ce Let X fe a oontinuous pan dom van'able and Y: a X + L you some ...

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Q: Sampling distributions with the same sample size will have different standard errors even if their s...

A: True because when population is large the sampling distribution follows a distribution with paramete...

Q: Subject- Statistics and Probability Instruct. The random variable X represents the number of defect...

A: Given that  The probability distribution is shown below.  X                0                1    ...

Q: ! Example17-38. State as precisely as possible the properties of the M.L.E.Obtain the M.L.Es. of a a...

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Q: Q. 1. Calculate median from the following items : 5, 7, 9, 11, 13, 15, 17, 19, 21

A: Given data is 5,7,9,11,13,15,17,19,21

Q: The following summary table presents the results from an ANOVA comparing five treatment conditions w...

A: Given: n=5 Total sum of square=1500  MS between treatments =125  

Q: A frequency distribution gives the following results : () Coefficient of variation = 5 (ii) Standard...

A: From the provided information, the known values are: Coefficient of variation =5 Standard deviation ...

Q: Problem: Determine the single sampling plans for an AOQL of 2%, process average of 1% and lot sizes ...

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Q: 52. The National Sleep Foundation reported that 36.8% of all adults snore. Of the people who snore, ...

A: Two events can be said mutually exclusive, if they cannot happen at the same time. It is mentioned t...

Q: Calculate Harmonic from the following statistical data : Wages: 10 12 14 16 18 No. of workers: 2 5 8...

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Q: Total of the product of deviations of X and Y series = 3,044 Number of pairs of observations = 10 To...

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Q: On an assembly line, there are 3 "checkpoints" at which a widget is inspected for defects. Upon revi...

A: Note: "Since you have posted a question with multiple sub -parts, we will solve first three sub part...