The first four Moments of a series about its Mean are 0, 2.5, 0.7, and 18.75 respectively. If the class interval of the series is 3, find the corrected values of the Moments.

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Q: A muliple regresion of y on a cnstant x and x produces the folloing results. =4+0.4x + 09%, R = 860,...

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Q: ny has determined that the mean number of days it takes to collect on its accounts receivable is 36 ...

A: Given: Mean number of days = 36 Standard deviation of number of days = 11 Sample size = 12

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A: We have given that  Sample size n =12 Sample mean = 38.7 sample standard deviation =14.9. 99.9% conf...

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A: The probability density function of exponential distribution is given by

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A: Given: Temperature Converted sugar 1 8.1 1.1 7.8 1.2 8.5 1.3 9.8 1.4 9.5 1.5 8.9 1....

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Q: Let X1, X2, ... , Xn be a random sample from N(μ, σ2). Find the Moment Generating Function of X̅. I...

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Q: JOYFUL Fashion Company is reviewing the monthly sales in year 2021.The monthly sales (in millions) o...

A: c. average monthly sales =2.575 millons= $2575000 1% of average monthly sales= $25750 so Mrs. Robins...

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Q: mple random sample of 800 elements generates a sample proportion p = 0.70. (Round your answers to fo...

A: We have given that  Sample size n =800 Sample proportion p^=0.70

Q: 2. Suppose that it was definitively proved that there exists a positive correlation between children...

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Q: A well-known brokerage firm executive claimed that 80% of investors are currently confident of meeti...

A: Given,sample size (n)=500sample proportion(p^)=0.75population proportion(P)=0.80α=0.10

Q: Find the mean. (Answer in 3 decimal places.) Answer: Blank 1   b. Find the standard deviation

A: It is given that X is discrete random variable. The mean of X is defined as E(X) = ∑x. P(X = x) And ...

Q: Construct a histogram displaying your data.

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

Q: Figure 1 shows the results of the statistical test without interaction term between Region and Desig...

A: Given :

Q: Construct the Venn diagram of the following sets under the universal set t and do what is asked U = ...

A: Given;universal set U={n∈Z|-3≤n≤10}={-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10}and set A={n∈U|n2<3}={-1,0,1...

Q: The following is the distribution of marks obtained by 109 students in a subject in an institution. ...

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Q: he average salary for bank managers in a certain city is $91,900 pesos per hour with a standard devi...

A: let random variable X be the salary for bank managers in a certain city.X~N(μ,σ)where; mean(μ)=91900...

Q: 9. A manufacturer of steel cable formerly claimed a mean breaking strength of 55, 000 kilos with a s...

A: Given that x bar =55250,mu = 55000,n =50,sigma= 500, alpha =0.01 Find H0 H1 Z CRIT = ? Z COM =? Comp...

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A: We have given that data  186 181 186 190 193 195 195 Mean= sum of all observations/total number of o...

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Q: You have n urns, the rth of which contains r- 1 red balls and n-r blue balls, r=1,.. ,n. You pick an...

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Q: 1. In a survey of 50 people, they were asked the number of children they have and the information wa...

A: From the given histogram Find  the percentage of families with exactly 3 children is:  the number of...

Q: Construct a frequency distribution using the ages of 50 richest people in the world in 2009. Using 8...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...

Q: The Exponential Distribution is a special case of the Gamma Distribution witha =? and B = . What is ...

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Q: A drug tester claims that a drug cures a rare skin disease 85% of the time. The claim is checked by ...

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Q: There are six persons in an office. A group consisting of three persons has to be formed. In how man...

A: Total person in office (n) = 6 A group consisting of three persons(r)=3 By using combination   ncr  ...

Q: A social scientist gathers a carefully chosen group of 20 people whom she is selected to represent a...

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Q: In a scanning process, the number of misrecorded pieces of information has a Poisson distribution  w...

A: It is given that the parameter value of λ is 9.2.

Q: Where did the Day 0 sample come from? Day 2 Growth Day 3 Day 1 Growth Growth Surface Area Surface Ar...

A: Given information:   Where did the sample come from? Day 0 Day 1 Day 2 Day 3 Quadrant 1 Control...

Q: NORMAL DISTRIBUTION Find P(z≥2.15)

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Q: 3. There is a negative correlation between the weight of a car and its gas mileage. The best fit lin...

A: a) Here, x is weight and y is gas mileage. In general, gas mileage depends on the weight of the car,...

Q: Suppose that a box contains one blue card and four red cards, which are labeled A,B,C & D. Suppose a...

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Q: List the elements of each of the following sample spaces: The set s- (x/x is a continent} (Write you...

A: Here we should find the elements of each of the following sample spaces. Please find the solution be...

Q: Let A and B be two events such that 0 < P(A) < 1. If P(B|A) = P(B|Ac), prove mathematically (not int...

A: Given that A and B be two events such that 0 &lt; P(A) &lt; 1. If P(B|A) = P(B|Ac), We have to prove...

Q: A researcher was interested in studying if there is a significant relationship between the severity ...

A: Given:   O A B AB Critical 64 44 20 8 Severe 175 129 50 15 Moderate 211 528 151 125 Mild...

Q: A coin is flipped thrice. Let x be the random variable defined as the number of tails after flipping...

A: HERE USE BINOMIAL THEOREM ,  Each trial is independent Finite number of trial There are two outcome...

Q: At a traveling carnival, a popular game is called the “Cash Grab.” In this game, participants step i...

A: We have given that.   X~N( μ , ?^2 )   μ =13 , ? =9 , n=40   Z-score =( x - μ )/?  

Q: 5. The proportion of households that own at least one pet in a certain city is estimated to be one n...

A: Let there a sequence of trials each having two outcomes, Success and Failure. Trials are independent...

Q: A well-known brokerage firm executive claimed that 90% of investors are currently confident of meeti...

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Q: 8% of people have some type of allergy. 113 individuals are randomly selected and interviewed. Find...

A: Given that  Sample size =113 8% of people have some type of allergy  p=0.08 Then we have to find the...

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores ar...

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Q: The fan blades on commercial jet engines must be replaced when wear on these parts indicates too muc...

A: Formula   Test statistic

Q: The life span of a 30-watt LED light is known to be normally distributed with o = 20 hours. A random...

A: Confidence interval : A central tendency could be a central or typical worth for a likelihood distri...

Q: An article in the San Jose Mercury News stated that students in the California state university syst...

A: We have given that  Sample size n = 42  Sample mean = 5.1 Sample standard deviation =1.2