A certain confidence in interval is 5.65
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A: Given: Sample Mean (x̄) = 49.8 Sample Standard…
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A: Margin of Error = E = 0.07Confidence level = 98%Significance level = = (100-98)% = 0.02 = 0.02/2 =…
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A: P=0.33E=0.04
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A: Given that for a sexually active male drosophila fruit fly in a particular genetics lab the…
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A: From the given informationlet X = the number of pairs of sneakers…
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A: The distirbutions of the Accuplacer test and High School GPAs are given.
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A: n1=14,n2=13,s12=8.318,s22=3.568
Q: sixty percent (60%) of Students of the Reginal College were took French. Fifteen (15) were randomly…
A: We have given that p = 60% = 0.60n = 15
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A: I will use R-software for my calculations.Given alpha = 0.05Null hypothesis: There is no…
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A: n=45, sample mean=46, sample standard deviations=15.5
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A: The given Binomial probabilities for the variable x with parameters, n=6 and p=0.25 are as…
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A: σ=41.6,E=1,CI=99%=0.99α=1−CI=1−0.99=0.01
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A: The average growth rate between and was about .i.e. The population of is .i.e.
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A: P(-0.62<z<u)=0.4309
Q: Starting salaries of 110 college graduates who have taken a statistics course have a mean of $44,966…
A: sample size(n)=110Mean()=44966standard deviation(s)=10302confidence level=99%
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A: The hypothesis test is used for testing a claim which helps in making important business decisions.
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A: Treatmen 1Treatment 2Treatment 363837046715453876146715152785964.676871.33Level of significance
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A: The regression equation is .
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A: Z has follows standard normal distribution with mean zero and standard deviation one.
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A: n=220,X=173,p=75%=0.75p^=Xn=173220=0.7864Note: According to bartelby question answer guidelines an…
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A: n = 8 , p = 76% = 0.76X~Binom(n=8, p=0.76)
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A: Margin of error E = 8Population standard deviation σ = 55C.I = 90% = 0.90α=1−C.I=1−0.90=0.1Note:…
Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…
A: n=225,X=188,p=78%=0.78p^=Xn=188225=0.8356Note: According to bartelby question answer guidelines an…
Q: The sampling distributions below come from samples with a population standard deviation of 28. Which…
A: n=49,σ=28
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A: The normal curve is always bell shaped and the total AOC is 1.
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A: We have given a professor who teaches French and has a class of 24 students. Part of his system…
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A: The hypothesis is an assumption that is being tested.
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Q: why is the DV female drosophila Do you use a z or test for this problem?
A: For male μ=38.9,σ=population standard deviations=12, n=size=24, X¯=62.5
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A: From the provided information,
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A: From the information, given thatLet X denotes the production volume in unitsLet Y denotes the Total…
Q: Please calculate the between-group degrees of freedom.
A: There are total 4 groups, each containing 12 respondents.
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A: Taking the closest points to theine from the graph.Point 1: (20,8) Point 2 : (44,15)
Q: What does "E(h(X))" mean, specifically relating to a discrete random variable? Oa. It's the standard…
A:
Q: Why would the null hypothesis not be the mean lifespan of sexually inactive males (62.5)?
A: Sample mean=X¯=62.5, n=sample size=24, population mean=μ=38.9
Q: Find the value of the combination. 5C5 O A. 30 OB. 120 O C. 1 OD. 0.5
A: 5C5Determine the combination
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A: Seventeen of the 200 digital video recorders (DVs) in an inventory are known to be defective.…
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A: The random sample of 21pistons are considered and the standard deviation is 0.0044 inch.
Q: 2.6-1. An excellent free-throw shooter attempts several free throws until she misses. a. If p = 0.9…
A: An shooter attempts several free throws until she missesMiss = success p(free throw or not miss) =…
Q: Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of…
A: The regression equation is .
Q: Is there a significant difference between the pretest and posttest scores of the Grade 12 learners…
A: First we enter the given data in Excel.Then we can use the following method,Enter Data > Go to…
Q: Find the indicated probability using the standard normal distribution. P(-1.66<z< 1.66) Click here…
A: Z has follows standard normal distribution with mean zero and standard deviation one.
Q: The contents of 37 cans of Coke have a mean of x = 12.15. Assume the contents of cans of Coke have a…
A: Given that the distribution is normal.Sample size (n) = 37Sample mean () = 12.15Standard deviation…
Q: Show work if possible
A: Yes we show that the how many possible distinct arrrangements for the word 'Mississippi', by using…
Q: Has that rate of genetic testing changed in recent years in the U.S.? In a 2016 Harvard Poll of…
A: This is a hypothesis test of one sample proportion Z test.Steps of the hypothesis test as follows…
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