A fair coin is tossed four times. Let X be the number of Tails (T) that are observed, find: -the standard deviation -at least three heads are observed -at most three heads are observed

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Q: compute η2

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A: Given The data is as follows: Population mean, μ=200 Population standard deviation, σ=35

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Q: Data Table Height (inches), x Head 27.5 24.75 25.75 26

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Q: Q is normally distributed with a mean of 100 and a standard deviation of 15 Suppose an individual…

A: given data  normal distribution  μ = 100σ = 15 for top 3% : x>?

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A: 5)Givensample size(n)=60x=18sample proportion(p^)=xn=1860=0.3confidence level=99%Margin of…

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A: Givensample size(n)=26Mean(x)=45.6standard deviation(s)=4.3

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A: Given n1=20,x¯1=60.9,SD1=6.2 and n2=15,x¯2=76.9,SD2=18.6.

Q: You wish to test the following claim (H) at a significance level of a = 0.10. Ho: P₁ = P2 Ha: P1 P2…

A: given data sample 1 : n1 = 126+448 = 574x1  = 126sample 2 : n2  = 103+242 = 345x2 = 103α = 0.10claim…

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A: Formula used: p = ( X1 + X2)/(N1 + N2)

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A: Given that  Sample size n=9 Sample mean=250 Standard deviation =36

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A: Givensignificance level(α)=0.01The null and alternative hypothesis isH0:p1=p2Ha:p1>p2x1=202sample…

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A: The sample size is 39, sample mean is 103.5 and sample standard deviation is 13.2.

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Q: ANOVA df Total SS Regression 2 121.0625 60.5312 50.1910 Residual 9 10.8542 1.2060 11 131.9167 MS…

A: Solution: Given information: n= 12 observation  k= 1 independent variables

Q: Suppose the mean IQ score of people in a certain country is 100. Suppose the director of a college…

A: Given information: µ0=100x¯=103.5s=13.2n=39α=0.01

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