6. A. Show that 81 – x²dx : 81n %3| 4

Q: {X> 3} fX | {X> 3} (

A: X ∼ exp (λ) PX>xX>3=PX>xX>3   ; X>30                         ; otherwise

Q: In the expansion of (x+y)35

A: We use the Binomial Theorem to find the required coefficient in the given question.

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Q: Example 4: If K. stock value of XYZ Ltd. for: = 11% and E = 715, calculate the 1) r= 12%

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Q: Example 16.6 Refer to Example 16.3 where r = 0.84 and n = 6. Determine whether there is significant…

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Q: Find the missing element in the sample space S = {x|x³x² - 17x - 15 = 0} where S = {-3,-1,__}.

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Q: n is increasing, and those on w 3x + 5.

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Q: (27) Let X = P(2) and - E(5-5x) find 2.

A: The properties of expectation an variance is E(aX+b)=aE(X)+bvar(aX+b)=a2var(X) 27) The expectation…

Q: (3) Let X = n(u, 4) and Var(2x) = E(4 – 7x) find µ.

A: Given X is normal distribution with  mean =μVaraince σ2=4Standard deviation =4=2 If X has Variance…

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A: The percentage estimated population would be N(4)=N(3)+N'(3) As(N'(3)=N(4)-N(3)4-3=slope So…

Q: АРТЕ -> Z. K E. P.

A: Given : 2 parallelograms of the same size

Q: (9) Let X b(n,- and E(3x) = E(3-5x) find n.

A: It is an important part of statistics . It is widely used .

Q: #4 (Greenwell, #52, p. 271) The number of people P(t) (in hundreds) infected t days after an…

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Q: Show that E [(X-µ)^n]=0 for ∀n, with X~N(µ, σ²) and n≥3 being odd numbers.

A: We need to show; E[(X-μ)n]=0 for ∀n and n≥3 being odd numberswhere;X~Normal(μ,σ2) That is, we need…

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Q: a) A project management consultant estimated that if a particular project was completed, t years…

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Q: 14:30. If X is a Poisson variable such that P(X= 2) = 9P(X = 4) + 90 P(X= 6), find the mean and…

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Q: 1. Determine the possible value(s) of x. 12х — 35

A: The figure is

Q: Suppose that f(x) = 1.5x² for −1 < x < 1. Determine the following probabilities: a) P(0 < X) = 0.5…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Suppose m> n. Show that L x"

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Q: So (X) exp survival functio II

A: Q

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Q: Suppose that approximately 40% of the population has Type O+ blood. You take a sample of 5 persons.…

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Q: One research shows that of patients suffering from a coronavirus 5% die of it. What is the…

A: Given Information: Research shows that of patients suffering from a coronavirus 5% die of it. To…

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A: It is given that the test statistic is 1.985.

Q: What is the value of Z if only 8.08​% of all possible​ Z-values are​ larger?

A: The standard normal variate is calculated when a random variable follows normal distribution in…

Q: n the diagram below of

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Q: (9) Let X z b(n,) and E(3x) = E(3– 5x) find n.

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Q: 2. (a) Evaluate e²-dr, where a > 0.

A: Let, I=∫0∞e-x2-a2x2dxI=∫0∞e-x2e-a2x2dx Let F(x,a)=e-x2-a2x2DaF=-2ax2e-x2-a2x2DxF=-2x+2a2x3e-x2-a2x2

Q: (a) A project management consultant estimated that if a particular project was completed, t years…

A: According to the given information, A project management estimate that if a particular project was…

Q: Number of Girls x P(x) 0.003 1 0.012 0.036 0.114 4 0.197 0.239 6 0.195 7 0.114 8 0.044 9. 0.015 10…

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Q: (27) Let X = P(2) and E(-x) = E(5 – 5x) find 2.

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Q: 9. Suppose  X ~ N(2, 3).  What value of x has a z-score of −0.67? (Enter an exact number as an…

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Q: (35 Show that the following grephes are Hameltonian 8) e a) d c) a ol

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Q: Suppose 3% of the customers in a hypermarket will get the lucky draw gifts. If 5000 customers visit…

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Q: c) Let Ô₁ = X₁+2X₂+2X3-X4 one of the two estimators is more efficient? and Ô₂ = (X₁ + X₂ + X3 + X4)…

A: The given pdf of is Poisson distribution with parameter θ. Then E(Xi) = θ = Var(Xi)

Q: was predicted that a country will have an elderly population​ (65 and​ older) of 7,387,000 in the…

A: Given, it was predicted that a country will have an elderly population​ (65 and​ older) of 7,387,000…