Explain mining plot technique.

Q: Given a population of class sizes at a university in an academic year, indicate what the sampling di...

A: Given a population of class sizes at a university in an academic year, indicate what the sampling di...

Q: A random variable X has the following pdf: f(x) = 9xe-3"; x > 0

A: Given: random variable x with gamma distribution with pdf  f(x)=9*x *e^-(3x)  : x>0  then to find...

Q: 3. Suppose a random sample of size 7 gives the following data: 9. 10 12 14 15 23 42 a) · Calculate t...

A: Given that ; A data set is 9, 10,12 , 14,15,23,42 n = 7 We use formuae Mean = sum of all observation...

Q: At a local restaurant, the amount of time that customers have to wait for their food is normally dis...

A: We have given that,  X be the random variable from normal distribution with mean = 28 and standard d...

Q: 4. The quantity of Calcium level in the blood of a man follows a normal distribution with a standard...

A: Introduction: It is required to identify the confidence level, which suggests that the confidence in...

Q: The following data represent the calories and sugar, in grams, of various breakfast cereals. a. Comp...

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Q: The average score on a statistics test was 2.42 with a standard deviation of 0.81. The teacher suspe...

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Q: What is the probability of getting either a three or a four on at least one the two dice?

A: We know that  S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2,4) (2,5) (2,6)  (3,1) (3...

Q: Example 8-15. Determine the binomial distribution for which the mean is 4 and variance 3 and find it...

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Q: A player tosses two fair coins. He wins dollar 5 if 2 heads occur, dollar 2 if 1 head occurs and dol...

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Q: Question 3 Determine the equation of the circle with center at the origin and passes through the poi...

A: Given that circle passes with ( 0,0) and ( 3,5 ) Determine equation of the circle

Q: Calcium is the most abundant mineral in the human body and has several important functions. Most bod...

A: Null and alternative hypotheses: The hypothesis, which is pre assumed as true, tentatively settled u...

Q: 2.2 Roulette wheel: The game of roulette involves spinning a wheel with 38 slots: 18 red, 18 black, ...

A: Given : No. of Red balls =18 No. of Black balls = 18 No. of Green balls = 2 Definition : Prob of an ...

Q: Suppose a doctor measures the height, x, and head circumference, y, of 11 children and obtains the d...

A: The correlation coefficient (r)=0.904  we know that,  coefficient of determination measure variabili...

Q: A farmer weighs 10 randomly chosen watermelons from his farm and he obtains the following values (in...

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Q: What is moving average? What are its uses in analysis of time series? Given the numbers 2, 6, 1, 5, ...

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Q: the production line and were tested. Below are the measured resistance of the d resistors. [220.8, 2...

A: We have given that data  220.8, 221.9, 223.2, 219.1, 222.8, 219.2, 219.4, 219.5 First I want to find...

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance (p...

A: Given data : Sr no classes Frequency 1 25-34 20.6 2 35-44 36.7 3 45-54 33.2 4 55-...

Q: Let X1, X2, X3,..., X, be a random sample from a distribution with known variance Var(X,) = o?, and ...

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Q: . In the city's entire commercial area, there has been a problem with shoplifting in the March-May m...

A: The data shows that the variables x and y.

Q: Suppose that Sheila has a coin such that the probability of a head is equal to p1 ∈ (0, 1) and that ...

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Q: You flip a fair coin 5 times and record 1 if heads and -1 if tails. Let r be the sum of the realized...

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Q: 5. Let x denote the time taken to run a road race. Suppose x is approximately normally distributed w...

A: We have given that.   X~N( μ , ?^2 )   μ = 190, ? =21   Z-score =( x - μ )/?

Q: Find the mean and the mean deviation about mean from the following frequency distribution : Weight 5...

A: Dispersion measure the spread of the observation from central tendency measures. There are some meas...

Q: ng that a study on risk management practices among 848 entrepreneurs is being made and some of the q...

A: Given: Number of entrepreneurs = 848 Number of questions asked = 6

Q: In one sentence, describe the difference between relative and absolute measures of association.

A: we know that, Absolute measure of association gives better idea about public health impact. whereas ...

Q: body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.11°...

A: As per guideline expert have to answer first question only dear student please upload other question...

Q: In a distribution exactly normal 7% of the items are under 35 and 89% are under 63. What are the mea...

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Q: Exercises 8: Is gender independent of education level? A random sample of 395 people were surveyed a...

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Q: Cereal for Breakfast. A cereal company claims 75% of Americans start the day with cereal for breakfa...

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Q: Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) gives a good b...

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Q: You are expected to do the following tasks: a) Solve and interpret the mean, median, mode, variance ...

A: Given : Where , Xm is mid point  Xm = Lower limit+Upper limit21st classXm=31+412=36 similar way we ...

Q: Standard error is useful for answering questions such as: a. Is the estimator biased? b. Are there ...

A: Standard error

Q: Let W be the random variable that gives the number of heads (C) minus the number of tails (+) in thr...

A: Given that  W be the random variable that gives the number of heads (C) minus the number of tails (+...

Q: 2. A university alumni office sent salary surveys to alumni who graduated 2 and 5 years ago. The vol...

A: Given that a university alumni sent salary to alumni who graduated 2 and 5 years ago. The given box ...

Q: The covariance of two perfectly correlated variables X and Y is 96. Determine ox and Oy if it is kno...

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Q: • Question 2 Assume that a sample is used to estimate a population mean µ. Find the margin of error ...

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Q: The monthly closing stock prices ( rounded to the nearest dollar)  for Panera Bread Co. for the firs...

A: We have given that data  71 73 76 78 81 75 I want to find sample variance ( s2 )  

Q: The mean time spent on studies of all students at a university last year was 40 hours per week. This...

A: Solution-: Given: μ0=40,σ=13.85,x¯=42.1,n=35 Here, σ- is known so we use Z-test We compute z-statist...

Q: Example 8.18 There are two candidates in a presidential election: Candidate A and Candidate B. Let O...

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Q: A dress is on sale for $120. What was the original price of the dress if the discount was - of

A: Given: A dress is on sale for $120. Discount on dress = 14  

Q: The election etn 8howed that a certain candidate received 46%,of the votes. Determine the pnobabilit...

A: Formula : z = (p̂ - μₚ̂) / σₚ̂

Q: The J. R. Ryland Computer Company is considering a plant expansion to enable the company to begin pr...

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Q: 7. Compute by Fisher's formula the Quantity Index Number from the data given below : 1994 1996 Artic...

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Q: The accompanying Major League Baseball data provide data for one season. Use the data to build a mul...

A: The data of basket ball league of one season is given.

Q: "The marks of the students in a certain examination are normally distributed with mean marks at 40% ...

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Q: (a) rangements are equally likely.. Given that the last letter, in order is b, find the probability ...

A: Here use basic probability for part a And tree diagram for part b

Q: A compay produces microchips used in electronic appliamces The probability of a microchip being defe...

A: Let there is a sequence of trials, each having two outcomes, say Success and Failure. The trials are...

Q: Match the hypothesis, df and alpha to the critical value(s) A. - 2.390 H:H#45, df = 38, a = 0.05 B. ...

A: Hypothesis given  (a) H1:μ≠45,df=38,a=0.05  (b) H1:μ>37,df=28,ɑ=0.10 (c) H1:μ<62,df=60,ɑ=0.01 ...

Q: 2. Consider the following sets of replicate measurements: B A 0.314 mg 0.320 mg 0.317 mg 0.319 mg 0....

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