What is the probability of randomly selecting a adult?

Q: e autocorrelation function of the random telegraph signal process is given by Determine the power de...

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Q: You measure 46 randomly selected textbooks weights, and find they have a mean weight of 48 ounces. A...

A: We have given that,  Sample mean weight (x̄) = 48 , population standard deviation (σ) = 6.5 and samp...

Q: 3.7 LA weather, Part I: The average daily high temperature in June in LA is 77'F with a standard dev...

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Q: Provide an appropriate response. A lab orders a shipment of 100 rats a week, 52 weeks a year, fromra...

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Q: Which point is outlier?

A: for the given data which point is an outlier?

Q: and let Y; = Xí, i = 1, ..., n. %3D Find the distribution of W 2(Y1+Y2+Y3) 3(Y4+Y5)

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Q: If you bet on green on every spin of the wheel, you will lose more than 90% of the time in the long ...

A: Given Information: A roulette wheel has 38 pockets. Out of which 18 are red, 18 are black and 2 are ...

Q: Find the correlation coefficient between age and playing habits of the following students: Age No. o...

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Q: insurance company sells a one-year house insurance policy, which covers cost of rebuild only. For cu...

A: Given data, Calculate the expected profit/loss, μ = E(X) =?  

Q: A candidate is selected for interview for three posts. For the first post there were 3 candidates, f...

A: Given,Total no.of posts=3no.of candidates for the first post=3no.of candidates for the second post=4...

Q: 4. If X and Y are independent RVs, then O2+ ,(@) = ¢,(@) × ¢,(@)

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Q: You are given the following trend equation : Y = 50+.8.X Origin 2012, X units one year; Y units - pr...

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Q: The quality control section of a purchasing contract for valves specifies that the diameter must be ...

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Q: 4.1. In a 2x2 table (say categorical X=0 or 1 and categorical response Y=0 or 1). If X and Y are ind...

A: Please note that as per our guidelines if multiple questions are posted we can answer one question o...

Q: QUESTION 5 For this binomial distribution, what is the standard deviation for the number of successe...

A: Standard deviation of Binomial distribution is given by σ=√np(1-p)

Q: 1. 2. µ'n d" $(@) do" in w = 0

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Q: Several complaints recently have been sent to the LA city office regarding the increasing incidence ...

A: Given, Sample size = n = 226 Total Congestion = 7 + 8 + 16 = 31       To find, upper control limiti ...

Q: There are 1,000 students in a college. Out of 20,000 in the whole university, in a study 200 were fo...

A: From the provided information,

Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She sel...

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Q: With the following data in 6 cities calculate the coefficient of correlation by Pearson's method bet...

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Q: If the characteristic function of a RV X is f,(@) and if Y = aX + b, then O,(@) = ibo e

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Q: X = 20. Y = 15, %3D O= 4, Obtain the two regression equations and find the most likely value of Y wh...

A: Given:  two variables x and y with following information  xbar=20,   ybar=15 , σx=4,   σy=3 and corr...

Q: What to do if coefficient of determination, R2, is not close to 1 or not high enough?

A: Coefficient of Determination R2 = SSRSST=Sum of squared regressionTotal variation=∑yi^-y¯2∑yi-y¯2 wh...

Q: Problem 1. Consider a family of 1-dimensional class-conditional densities given by: exp I >0 604 whe...

A: Given: p(x|wi)=x36θi4exp-xθi,  x≥0 to find mle of θi

Q: (b) Find P (Less than or equal to 4). P (Less than or equal to 4) =

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Q: a) The simple correlation coefficients between iemperature (X,), corn yield (X,) and and rainfall (X...

A: Given,r12=0.59 , r13=0.46  ,  r23=0.77

Q: Calculate Simon's opportunity cost in units of nuts when he increases the production of bolts from 7...

A: Nuts (units per day) Bolts(units per day) The opportunity cost of increasing the production of bolts...

Q: The cost of living index with percent of total expenditure as weight was found to be 255.8. Estimate...

A: Here given,  Data analysis of living   

Q: If X is a continuous random variable with distribution, f(x) ==+k if 0s xS 3 0 elsewhere %3D Determi...

A: Given function is f(x)={x6+k    0≤x≤30          elsewhere

Q: Do you carpool? Let X represent the number of occupants in a randomly chosen car on a certain stretc...

A: Given x 1 2 3 4 5 P(x) 0.64 0.13 0.09 0.01 0.10

Q: Howard is 30% likely to be subjected to the Tax Bureau's audits due to his previous crinimal record....

A: The random variable X represents the Tax Bureau's audits due to his previous criminal record.   

Q: - The following table gives the distribution of students according to age in completed years and reg...

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Q: According to recent study. 160 of 496 technology CEOS from around the world responded that technolog...

A: We have given that,  Favorable cases (X) = 160 and sample size (n) = 496 Then,  We will find 90% con...

Q: (b) If n biscuits be distributed among N persons, find the chance that a particular person receives ...

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Q: Give 5 examples for both descriptive and inferential statistic • Descriptive • Inferential

A: Descriptive statistics uses data to provide a description or summary whereas inferential statistics ...

Q: Z-scores X (test scores) = 3, 5, 8, 8, 9, 4, 7, 8, 6, 7, 10 %3D •Calculate the mean of x •Calculate ...

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Q: Average monthly temperatures or rainfall amounts do not really tell us what our weather will be like...

A: The purpose of collecting weather data has a wide spectrum of applications. The average of monthly t...

Q: Suppose the jewelry of exams has a population that is normally distributed with standard deviation o...

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Q: Asking for some relevant work to be shown for each question.   9. One-way ANOVA is applied to inde...

A: We want to tell you which one is the correct choice

Q: 1) The random variable X, representing the number of nuts in a chocolate bar has the following proba...

A: As per our guidelines we are suppose to answer only one question1)Given  X 1 2 3 4 5 P(X) 1/10 ...

Q: What is the probability of randomly selecting a Male or a Cat?

A: It is given that Total = 83 Number of males = 38 Number of cat = 32 Number of cat and males = 15

Q: The variables x and y are connected by the equation ax + by + c = 0. Show that the correlation co-ef...

A: Given that, the variables x and y are connected by the equation ax + by + c = 0. We need to show tha...

Q: Directions. The problem given is about parameter of interest and confidence level. Assure to include...

A: Confidence interval : The chance that a parameter can fall between 2 values round the mean is painte...

Q: For a moderately skewed distribution, the arithmetic mean is 100 and the coefficient of variation is...

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Q: If the WSS process {X(t)} is given by X(t) = 10 cos (100t + 0), where 0 is uniformly distributed ove...

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Q: The first four central Moments of a continuous series with class intervals of 10 are arrived at 2, 2...

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Q: Calculate Coefficient of Correlation from the following data: 0.1 0.2 0.3 0.4 0.5 0.6 0.7 30,000 50,...

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Q: From the following information regarding the price of 3 commodities, calculate the dex numbers takin...

A: The price of 3 commodities A, B and C are given. The objective is to calculate the index numbers tak...

Q: The following table gives the number of defects observed in 8 woollen carpets passed as satisfactory...

A: Given that  Serial number of carpets 1 2 3 4 5 6 7 8 No. of defective  2 5 5 6 1 5 1 7   We ...

Q: (AB) = 30 (АВ) 3D 10 Calculate the Coefficient of Collignation. Given (aß) = 5 (а.В) %3D 5

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