Calculus and Above

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Explain it. 1 When examining the formula of a function that
Please explain it. 1 When examining the formula of a function that is the result of multiple transformations, how can you tell a horizontal shift from a vertical shift?2 When examining the formula of … read more
Simona Hodis
Simona Hodis
Professor
PhD
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Determine whether the function has an inverse function. f(x)
Determine whether the function has an inverse function. f(x) = (x + 3)2, x ≥ −3 Yes, f does have an inverse. No, f does not have an inverse.If it does, then find the inverse function. (If an answer do… read more
Kofi
Kofi
Ph.D.
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Use a graphing utility to graph the function. g(x) = (x +
Use a graphing utility to graph the function. g(x) = (x + 2)3 Maple Generated Plot Maple Generated Plot Maple Generated Plot Maple Generated PlotUse the Horizontal Line Test to determine whether the f… read more
Kofi
Kofi
Ph.D.
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Given:(1, 3) and (6, 10) are two points on the graph of y= f
Given:(1, 3) and (6, 10) are two points on the graph of y= f (x) i. Accurately describe the transformations to get to the following new functions. ii. Find as many points as possible on each new funct… read more
akch2002
akch2002
Master's Degree
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7. Determine the value of if f inverse () =2 and f(x) = 2x^2
7. Determine the value of b if f inverse (b) =2 and f(x) = 2x^2 – 3x +2 8. Given f(x) =|x| , a. Graph g(x) = f (x+3) b. Graph the reflection of g(x) along the line y = x c. State the domain and range … read more
Sandhya
Sandhya
Master's Degree
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Assist with the attached questions. Question #9 The
Please assist with the attached questions.Question #9 The population proportion is .70. What is the probability that a sample proportion will be within =or- 0.01 of the population proportion for each … read more
Sandhya
Sandhya
Master's Degree
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I am preparing for a probability theory test and I am having
I am preparing for a probability theory test and I am having problems with MGF's these are some examples from previous exams which I would like solutions for along with explanations to help me study. … read more
Stevewh
Stevewh
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Bachelor's Degree
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1. (a) Use the definition of moment generating functions to
1. (a) Use the definition of moment generating functions to show that if MX(t) is the mgf of a continuous random variable X, then if Y = (X+a)/b, MY (t) = e^(a/b)t MX(t/b)  (b) Choose appropriate co… read more
Expert
Expert
Differential Equations Inverse Laplace Transforms Find the
Differential Equations Inverse Laplace Transforms Find the inverse Laplace transform of F(s) = (2s + 8) / (s^2 + 3s + 2) f(t) = Find the inverse Laplace transform of F(s) = (5s + 7) / (s^2 − 6s + 13) … read more
Ryan
Ryan
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The inverse y=g(x) of a function y=f(x) "reverses" the action
The inverse y=g(x) of a function y=f(x) "reverses" the action of the function. The inverse of y=f(x) can be found by interchanging the variables x and y and solving for y. When two functions y=f(x) an… read more
Osbert12
Osbert12
Master's Degree
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The density function of a random variable X is given by f(x)=1/5
The density function of a random variable X is given by f(x)=1/5 sqrt 2pi e ^ -(x+1.3)^2/50. Find its math expectation, variance and distribution function… read more
Math-John
Math-John
PhD in Statistics
1,322 satisfied customers
The density function of a random variable X is given by f(x)=1/5
The density function of a random variable X is given by f(x)=1/5 sqrt 2pi e ^ -(x+1.3)^2/50. Find its math expectation, variance and distribution function… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
Let X1,X2,...,Xn represent a random sample from a population
Attachment: 2012-04-24_132012_img.pdf Let X1,X2,...,Xn represent a random sample from a population with a gamma(2,b) distribution, i.e. its probability density function is given by f(x;b) =(xe^(-x/b))… read more
statwaves
statwaves
Doctoral Degree
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Use the inverse transform method to generate a random variable
Use the inverse transform method to generate a random variable X having the distribution Pr(X=i)= 1/[i(i+1)] , i=1,2,.... Write the algorithm, but you don't need to implement it. Hint: Determine the d… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
Give a method for generating a random variable having distribution
Give a method for generating a random variable having distribution function F (x) = 1 − exp(−αx^β ), 0 < x < ∞. A random variable having such a distribution is said to be a Weibull random variab… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
Use the rejection method to simulate a random sample of size
Use the rejection method to simulate a random sample of size 10,000 from the population with x 0 1 2 3 4 5 6 Pr(X = x)  0.05 0.22 0.13 0.08 0.18 0.14 0.2 a. Write down the algorithm and implement it.… read more
Math-John
Math-John
PhD in Statistics
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Give a method for generating a random variable having distribution
Give a method for generating a random variable having distribution function F (x) = 1 − exp(−αx^β ), 0 < x < ∞. A random variable having such a distribution is said to be a Weibull random variab… read more
Dr Arthur Rubin
Dr Arthur Rubin
Doctoral Degree
Doctoral Degree
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X are iid random variables with symmetrical distribution f(x),
X are iid random variables with symmetrical distribution f(x), mu and sigma. Minimize the sum of absolute value of (Xi - b) wrt b. b turns out to be the median but how do we get there?… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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