Let X be a negative binomial random variable with r = 27 and p = 0.39. Find the variance of X.

Q: dt VR-2t + 26

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Q: can you slove these for me?

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: can you do the next two parts please

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Q: dr VIr - 1|

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Q: Sseet clx2?

A: =?

Q: How do you know to do this?

A: or you can use Heron's Formula to find the area of the triangle.

Q: Number 2

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Q: Please show all work

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Q: answer question 2

A: As per the question we are given the following recurrence relation : T(n) = 6T(n/2) + n  ,  T(1) = 1…

Q: can you do the next part

A: The set of vector  and We have to express the vector  in terms of the given set of vector

Q: not clear

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Q: Find fs.

A: Explanation of the answer is as follows

Q: find x+y+z

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Q: convegence?

A: 1. Sum ∑n=1{3n-1/3n}n2This is a series where each term is raised to the power n2. To determine…

Q: Number 3

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Q: x+y=6 x-y=2

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Q: Can you please do psychology major?

A: Topic: Relationship between hours of sleep and stress levels in college students

Q: 3 X-

A: Given,xdydx + y = xy3 — 1This is Bernoulli's equation.Divide both side by -12 xy3- 2dydxy3 - 2xy2 =…

Q: It's on image

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Q: how to do this

A: Given, f(x)=13x-1andg(x)=-f(x)+9   To find rule for g

Q: All of them please

A: We are allowed to answer three subparts at a time. So, we are answering the first three subparts,…

Q: Number 6

A: If the confidence interval contains the value 0, the null hypothesis is not rejected.  If the…