The dining hall is trying to decide between five different meal options to serve on Monday. We will call these meals A, B, C, D, and E. When one of the meals is selected none of the other options will be available, all of the options have an equal probability of being selected. What is the probability that the meals B or E are selected.

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A: Solution: Given information: p1= 0.50    Cure rate of drug G p2= 0.25 Cure rate of drug  Hα= 0.05…

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A: Formula for mean is  x̄ = Σx̄i *ni/n!

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A:

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A: Formula to find expected value is as follows : E(X) = ∑xP(x)

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A: *Answer:

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A: Given the data as 17  23  22  24  19  23  18  22  20  13  11  21  18  20  21  21  18  15  24  23  23…

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A: Given : population proportion,p = 1/3 =  0.333333 sample size n = 80000

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A: Total amount spent of his/her cellphone is greater.

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A: Solution. Test of p = 0.40vs p not = 0.40 So the Null hypothesis is p = 0.40 And p value = 0.0443

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A: Answer: Scatter plot

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Q: Find the standardized test statistic to test the claim that u1 u2. Two samples are randomly selected…

A: Given Data : For Sample 1 x̄1 = 5.7 s1 = 0.76 n1 = 51 For Sample 2…

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A: Regression analysis with R.

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A: Given,mean(μ)=18.11standard deviation(σ)=5

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A: *Answer:  a.probability of winning $15,000,000p1 = 1/200,000,000Similarlyp2 = 1/15,000,000p3 =…

Q: A normal distribution has a mean of µ = 40 with σ = 8. If one score is randomly selected from this…

A: GivenMean(μ)=40standard deviation(σ)=8

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