Given that E​​[Y ] = 2 and Var​​[Y ] = 3,   Find E​​[(2Y + 1)2] (rounded to the nearest integer. For example, 12)

Q: Suppose E(X) = 2, E(Y) = 18, a = 0.05, and b = 0.95. What is E(aX+bY)? (Please round to two decimal…

A: Given, E(X) = 2, E(Y) = 18, a = 0.05, and b = 0.95

Q: The graphs of f(x) = 9* and g(x) = log9(x) are symmetrical with respect to the %3D %3D Select one: O…

A:

Q: For each statement, indicate if it is True or False. Assume x and y represent positive values. v…

A: ?As per our company guidelines we are supposed to answer ?️only first 3 sub-parts. Kindly repost…

Q: Find the largest value of that satisfies: loge (22) - logs (x+1) = 1

A:

Q: Given that f(x) = 3x/x-9, for what values of x does f(x) = 4/5?

A: To calculate the value of x.

Q: Find a number x such that x + 1 / x − 2 = 3x

A: The expression could be x+1x-2=3x or x+1x-2=3x. If the expression is x+1x-2=3x, then…

Q: Complete the following abridged life table given the age specific death rates, nmx. (use, nmx to…

A: The question required to complete the abridged life table given the age-specific rate.Notation and…

Q: If E[X] = −3 and Var(X) = 5, then E[(5 + 6X)²] = and Var(3 + 5X) =

A:

Q: Let X1, X2, X3 and X4 be a random sample from population with pdf X, 0 < x < 1 fx(x) = |0,…

A: Given information: The probability distribution function is fXx=x,    0&lt;x&lt;10,    otherwise.

Q: Suppose E(X) = 93, E(Y) = 95, a = 0.09, and b = 0.91. What is E(aX+bY)? (Please round to two decimal…

A: The objective of the question is to find the expected value of the linear combination of two random…

Q: Suppose E(X) = 100, E(Y) = 4, a = 0.91, and b = 0.09. What is E(aX+bY)? (Please round to two decimal…

A: The objective of this question is to find the expected value of a linear combination of two random…

Q: Write out E (4k + 2). k=1

A: We have to write output for the given summation: ∑k=144k+2 Here summation means sum of all terms for…

Q: If P(A) = 0.3, P(B) = 0.7, and P(A and B) = 0.1, then %3D %3D (a) P(A|B) =| (b) P(B|A) =| Note: Use…

A: Conditional probability is defined as the probability of an event Y, given event X has occurred.…

Q: 24. For which b does the definition of log,x just given make sense, and why? Is this the same…

A:

Q: If |x|&lt;=3 and x &gt; -1/2, what can you say about x?

A: We have Given

Q: Derive this expression from first principles. f(R)=3/(bR)

A: Questions from derivatives.

Q: If E[X] = 5 and Var(X) = 4, then E[(4 + 5X)²] = [] and Var(3+5X) 0

A: Given that :E(X)= 5 and Var( X )=4 .For a random variable X…

Q: Graph  f(x) = ax  for  a =  1 3,   a = 1,  and  a = 3,  all on the same set of axes.

A: Given: f(x)=ax We are required to: Draw the graph of the given function for a=13,a=1 and a=3.

Q: Fifty-eight percent of adult U.S residents have a Facebook account. You randomly select some U.S…

A: Given that, 58% of adult US residents have a Facebook account.

Q: If E[X 4 and Var(X) 1, then E(1 + 5X)²] - and Var(2 + 4X)

A: GivenE(X)=4Var(X)=1

Q: If n increases without end, 1/n becomes closer and closer to （ ） Does this make sense? If so, please…

A: For some negative n, when it is increased n value reaches to 0, for which the value of 1n reaches to…

Q: Suppose E(X) = 62, E(Y) = 91, a = 0.38, and b = 0.62. What is E(aX+bY)? (Please round to two decimal…

A: E(X) = 62, E(Y) = 91, a = 0.38, and b = 0.62.E(aX+bY)=aE(x)+bE(y)

Q: d. Compute E(X) and Var(X).

A:

Q: Show that E( X - K )2 = var( X) + [E(X) - K]2

A: var(X)=E(X2)-E(X)2 E(a)=a  where a is constant (a-b)2=a2-2ab+b2

Q: Solve for x in each of the following. Make sure to check for extraneous solutions! a) log,(x - 4) =…

A: Given a log4x-4= log43x-1b log32+ log3x-5=4c log6x2-6= log6x

Q: 800 = 1 * Bind E [2x²-1) and E[(x-13] Q23 Given ap.m.f. fox)= for X=1,2,3,4 30

A: Given,PMF  f(x)=x10 for x=1, 2, 3, 4 and 0 otherwise.First, We will find the expectation of the…

Q: of “a” if (x2/3)(x1/4) = xa

A: The function is given as x23x14=xa. Simplify the expression to find the value of a. x23x14=xa Apply…

Q: The population of American buffaloes in the 19th century halved every five years.Given that the…

A: 1. In the given, since it says the the population is halved every 5 years, we will use an…

Q: Suppose E(X) = 77, E(Y) = 48, a = 0.36, and b = 0.64. What is E(aX+bY)? (Please round to two decimal…

A: Given,E(X)=77E(Y)=48a=0.36b=0.64