What is Gradation? What is Effective size? answer in 4 sentence only

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Q: . Defective DVDS From past experience, a company found that in cartons of DVDS, 90% contain no defec...

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Q: how many five letter codes can be made if each chosen letter (from the the original 7 letters) can o...

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Q: please solve the following question   In the spring, a biologist and her team placed radio collars...

A: Discrete Probability distribution :  A discreet random variable X is said to be discrete probability...

Q: A. Home prices in a particular neighborhood average $350k with a standard deviation of $30k. They ar...

A: As per company guidelines I solved exactly 1st question ..thank you 

Q: random sample of 100 families the variances of the savings is one quarter of the variance of the inc...

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Q: ration 15.16. A group of ten workers IS ranke according to their efficiency by two different judges ...

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Q: You may need to use the appropriate technology to answer this question. Use the sample data below to...

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Q: The number of cartoons watched by Ms. Smith's first grade class on Saturday morning is shown below. ...

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Q: 1. Ninety-five percent of all cultivated strawberry plants grow to a mean height of 11.4 cm with a s...

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Q: Let X ~ Poisson(A) and Y independent. Use probability generating functions to find the distribu- tio...

A: Solution: Let X~Poisson ( λ)  The probability generating function of X is  PX(t)= e-λ(1-t)  If  Y~Po...

Q: Let X = (X1, X2)', and X1 and X2 are iid random variables with common pmf f (x\0) xlog(1 – 0)' where...

A: The mean of X is given by, E(X)=-∑x=1xθxxln(1-θ) =-1ln(1-θ)(θ+θ2+θ3+......)=-θln(1-θ)(1+θ2+θ3+.........

Q: Answer D,E,F only. Thank you.

A: Box plot was used to measure the outlier in the data set. It is the graph that contain quartile meas...

Q: IT firm HelpTech offers technical support for corporate clients across the country. The number of bi...

A: Given Information: The data represents the number of billed hours in the past 4 years. The objective...

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to d...

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Q: uppose we have a binomial experiment in which success is defined to be a particular quality or attri...

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Q: A new sneaker claims that it can make male athletes jump higher. A sample of 36 male athletes were a...

A: 6) The standard deviation is 1.3 inches.

Q: Given that X is a normal variable whose distribution has a mean 10 and a standard deviation of 2.5, ...

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Q: identify how many samples are there in each grade level.

A: Here use formula of stratified sampling method 

Q: For each of these Markov chains: 1/4 1/2 1/2 1/4 1/2 3/4 1/4 1/4 3/4 0 0 1 1/2 1/2 1/2 1/2 1/2 i. P ...

A: Please note that as per our guidelines we can answer the first three sub-parts only. Please repost t...

Q: The ages of patients undergoing a heart surgery in MJPS Hospital are normally distributed with a mea...

A: For the given data mu =43.5 ,s.d =8.5 ,x =40 p(x>40) = ?

Q: Cross-sectional and experimental studies have which of the following in common? O They both include ...

A: Cross-sectional study:  A research design in which you collect data from different individuals at a ...

Q: Question 7 A new sneaker claims that it can make male athletes jump higher. A sample of 34 male athl...

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Q: Question 2 There are hundreds of apples on the trees, so you randomly choose just 85 apples and get ...

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Q: 11 lines (11 sloc) 111 Bytes Search this file... 1 consumption income 2 414 643 3 51 264 4 258 345 7...

A: Given : HW3.csv data file Sr. No. Consumption Income 1 414 643 2 51 264 3 258 345 4 766 1...

Q: Suppose you are testing the hypotheses Ho : p =0.24 vs. p 70.24 with significance level a = 0.29. As...

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Q: With examples, briefly explain the following inferential statistics concepts; (a) Point estimate (b)...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: The lifespans of the light bulbs produced by a Filip Company are normally distributed with a mean of...

A: Given,mean(μ)=1150standard deviation(σ)=175

Q: Mean of 100 observations is found to be 40. If at the time of computation two items are wrongly take...

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Q: Determine if age is correlated to glucose level of six individuals. Use Pearson r correlation coeffi...

A: Given: Subject age, X Glucose level, Y 33 99 28 67 25 78 43 75 57 88 59 91

Q: A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed,...

A: Mean(µ) = 35000 Standard deviations (σ) = 2100 X ~ N (µ, σ )= N ( 35000, 2100)  

Q: One nanogram of Plutonium-239 will have an average of 2.5 radioactive decays per second. Use the nor...

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Q: 2. Considerthe following data representing the life in hours of incandescent bulbs. 1,067 919 1,196 ...

A: Data is given We have to calculate : P55, D9, Q3 We have to construct frequency table and histogram ...

Q: Problem: A deck of cards contains 25 cards: 9 black cards and 16 red cards. 6 cards are drawn random...

A: For the given data using Hyper geometric distribution Find  p( x=5) =? mean=? variance =?

Q: Obtain the seasonal indexes for Jan '20 to Dec '20 using all 4 years. Select the index you obtained ...

A: Seasonal variation is a component of time series. It is the fluctuations within a year over differen...

Q: A sample of n = 81 from a population of u = 80 and o = 18 has a mean M = 81. What is the z-score for...

A: Solution-: Given: n=81,μ=80,σ=18,M=18 We find the z-score for the sample means?

Q: Below are given the annual production figures (in thousand tonnes) Fertiliser factory: Year 2011 201...

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Q: If the mean of p hat equals 0.28 and the standard deviation of p hat is 0.07, what is the percent of...

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Q: The proportion of all children that drew the nickel too small is:   Assume that this proportion is ...

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Q: How many different arrangements are there of the 8 letters in the word RELEASED in which the letters...

A: Here Given Word RELEASED So Here Number of letters in word=8  

Q: oỹ a group of 12 students in two examinations A and B. Calculate the correlation coefficient between...

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Q: An international car manufacturer offers its best selling model in 6 colors, 2 types of seats (leath...

A: Solution-: Given: Best selling model cars=6 Type of seats (leather or vinyl)=2 number of engine =3  ...

Q: 1 out of every 10 fish have blue on them. If you were to take a random sample of 60 fish, what is th...

A: Let X denote the number of blue fish out of n = 60 fish. Let p denote the probability of getting blu...

Q: . 23: Find the correlation coefficient between the income and expenditure of a wage earner and comme...

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

Q: 3. Determine whether or not the data set appear to be from a population with a normal distribution b...

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Q: (a) Assuming a linear regression model for the year (X) and SAT score (Y), please f regression coeff...

A: a) From the given information, X=year Y=Average SAT score Excel Procedure: Enter X and Y data in Ex...

Q: Fill in the P (X=x) values to give a legitimate probability distribution for the discrete random var...

A: Given: x P(X=x) -5 0.24 -1 0.23 2 ? 3 ? 6 0.1

Q: Construct the indicated confidence interval for the population mean u using the t-distribution. Assu...

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Q: Dis - The them Drav

A: The objective is to find mean median and mode . ans-9  

Q: Each of the two players, A and B, get 26 cards at random. Find the probability that each player has ...

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