5A+2B. The variance of T is 6

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A: p-value: Decision Rule:   If p-value ≤ α(level of significance), then reject the null hypothesis.…

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Q: If the variance of x is 4 then the variance of 3 + 5x is (a) 100 (b) 103 (c) 20 (d) 23

A: Step 1:Adding a constant a to a random variable does not change its variance, and multiplying a…

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A: Given that  Observed Frequency table   X Y Z A 31 4 28 B 20 62 25

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A: From given data we have; Demand:            Qd=β0+β1P+u ,Supply:            Qs=γ0+vMean:…

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A: Given: n1 = 10 n2 = 10 α = 0.01 Formula Used: Test-statistic t = X1-X2sp1n1+1n2 sp =…

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A:

Q: Suppose that the random variable X measures the number of hot dogs purchased in a food court in an…

A: CorX,Y=0.75VX=VY=36W=2X+3Y

Q: Problem 5: Suppose that 70% of men and 30% of women in a state support the incumbent candidate of…

A: Number of men workers = 70% Number of women workers = 30% 500 people are surveyed at random

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A: The given information is, The value of correlation coefficient is, r = 0.957 The value of…

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A: It is given that Jessica hypothesizes that giraffes will look longer at human infants than at adults…

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A:

Q: Use this information to answer #19 - #23: A sample of 10 Psychology students at UNCP students were…

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Q: Enter the decision rule. Reject Ho if z > _______

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A: Variance is one of the measures of dispersion.

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A: We have given that data  13 ,25,16  I want to find variance  Variance = (∑x2 - (∑x)2/n)/(n-1)

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A: P-value = 0.0000