A city bus runs every 15 minutes on a certain route. Let XX  be the waiting time of a passenger arriving at a random time to a bus stop. 1. Describe the distribution of X: X~        (a=,b=) v

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A: We have given that z = -2.02 We have to find the p-value for left tailed test

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A:

Q: he weight of a green forest frog has a normal distribution with mean 150.3 g and a standard…

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A: It is given that  Standard deviation, σ = 14.3 Margin of error, E = 1.5 Confidence level = 95%

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A: The following solution is provided below:

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A: Givensample size(n)=120x=50sample proportion(p^)=xn=50120≅0.4167significance level(α)=0.05

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A: Given: Random variable X has mean μ and variance σ2

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A: given data  n = 30  x = 25 95% ci for p  = ?

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A: The question is about correlation Given : Linear correlation coefficient ( r ) = -0.473 Randomly…

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A: Solution: Given model is  Yi= β0+β1log(Xi1)+β2log(Xi2)+β3log(Xi3)+β4log(Xi4)+ei

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A: It is needed to find the type of t test.

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Q: Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and…

A: From the provided information, Number of observations (n) = 9 Level of significance (α) = 0.05 The…