With the following data standard deviation = 1.56, sample size (N=25) standard Normal at 95% confidence level (Z)= 1.96 and mean of 6.36. What is the confidence interval at 95%

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A: Population mean μ=3.8, standard deviations σ=0.94 P(X<a)=10%  P(a<X<b)=80%

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A: From the provided information, 12% of peanuts are red that is p = 0.12 Sample size (n) = 4

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A: Answer  Given  Mean =63.6 standard deviation =2.5 We know that Z-score:  Z =[x-mu]/[σ] z*σ =[x-mu]…

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A: given data μ = 1200σ = 200n = 64here n> 30as per CLT sampling distribution will be normal

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A: given data normal distributionμ = 5.6σ = 0.4

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A: Given data:

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A: Hi! Thank you for the question. As per the honor code, we are allowed to answer 1 question at a…

Q: QUESTION 9 Which of the following statements is not true The standard error of the sample measures…

A: 9) Answer:- Let, Sample size = n ; Sample standard deviation = s  Population standard deviation = σ…

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A: Given that  Confidence interval is  (68.5 , 83.1)

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A: given data normal distributionμ = 42.80 gramsσ = 0.045 grams

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A: null and alternative hypothesis H0:μ=0H1:μ≠0

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A: From given : n=42x¯=5.3s=18.5

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A:

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A: Given, mean cholesterol levels of women age 45-59 is 5.2 mmol/l and the standard deviation is 0.7…

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Q: QUESTION 5 Let X,Y be joint Gaussian random variables with E[X]=0,E[Y]=0, Var[X]=2, Var[Y]=4 and…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer 1 question at a…

Q: X ~ N(37.3, 5)  a)  What score is at the 73rd percentile? b)  What score is at the 40th percentile

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Q: The following is a random sample of IQ scores from a prestigious college: 94 101 109 109 115 117 119…

A: Given: random sample of IQ scores from a prestigious college:94 101 109 109 115 117 119 125 125 125…

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A: GivenMean(μ)=50.5standard deviation(σ)=16

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A:

Q: Let X~ Uniform(0, 1) and pe (0, 1) be a positive number. Derive the cumulative distribution function…

A: a) To find the cumulative distribution function (CDF) of Y=-1λlog(X), we need to calculate P(Y≤y)…

Q: (d)Assess the regression model's fit

A: Solution: Given information:  n=164 Sample size  k= 8 independent variables  R2=0.294

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A: The question is about normal distribution Popl. mean IQ scores ( μ ) = 100 Popl. std. deviation of…

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A: Given that.   X~N( μ , ?)   μ=260 , ?=10   Z-score =( x - μ )/?

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A: Given that: n1= 20  Sample size of first group n2= 20  Sample size of second group α= 0.05  Level of…

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A: Given that In time series decomposition, seasonal factors calculated by :

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Q: 18 18 18 19 19 19 19 19 19 19 19 19 19 20 20 20 20 21 21 21 22 22 22 23 24 26 28 31 32 36 41 44 1)…

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A: *Answer: a Let X denote the time of departure of the first patient and Y denote the disease of the…

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A: Given,A random variable X~U(50,52)f(X)=12     ;   50≤X≤52

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Q: 7.7.3 Let X₁, Xn be a set of independent random variables with a U(0, 8) distribution, and let T=…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: A random variable is normally distributed. It has a mean of 241 and a standard deviation of 17.…

A: given data normal distributionμ = 241σ = 17n= 10

Q: An analytics company provided demographic information about US Spotify users. In 2021, it  was known…

A: a) The given value of 26% is a parameter. The symbol for this value is p. b) You can use the…