One coin is taken at random from a bag containing 6 nickels, 9 dimes, and 9 quarters. Let X be the value of the coin selected. Find E(X). (Round your answer to two decimal places.) E(X) $

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A: Percentage: A part or quantity in every hundred is defined as a percentage. It's a fraction having a…

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A: Given Fce-ax=pa2+p2

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Q: (d) n= 5, p=0.45, X=0 P(X) = www. Part: 4 / 5 Part 5 of 5 (e) n = 3. p=0.48, X 1 P(X) =

A: We have given that,  X be the random variable from binomial distribution.  Then,  We will find the…

Q: 4.7. Given: f(x) = e5 5x X! Then for x = 0, 1, 2, ... f(x) is: a. An exponential pdf b. A…

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A: The diversity is given by H(p)  H(p) = 2p(1-p)   H'(p) = d/dp(2p(1-p)) H'(p) = 2(1-p) -2p H'(p) =…

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Q: A particular satellite has a radioisotope power supply, with power output given by -t P = 60e300…

A: Given:           P=60e−t300

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A: answer is in next step

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A: The answer is found in step-2

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Q: 1+e+e +e A) B)

A: We know that 1+x+x2+...+xn-1=1-xn1-x. Let x=e and n=4. So, we get 1+e+e2+e3=1-e41-e.

Q: The diversity of a population that contains two species can be measured by the Gini-Simpson…

A: The diversity of a population is given by  H(p)=2p(1−p)

Q: Let X ~ exp(rate = 3). (a) Find the mgf of X. (b) Use the mgf to find E[X], Var(X), E[X4] and E[X").

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Q: E valuate

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A: Follow the procedure given below.

Q: 1. 1. The value of E(XY) is

A: Given that μ1=5.4, σ1=1.5, μ2=5.10, σ2=2, ρ=0.70 Y=6

Q: (e*+1)

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Q: Find P(2 SX 0 3 e-e е 2 — е 2 е 2 — е 2 2. e-1- e е з - е з 512

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Q: e) Critical value: x² = [ Select] [ Select ] 1.96 3.841

A: Given: Significance level α=0.05 Data Table is

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Q: * − e| + (e* + e) e 3 |e³ S 0 -dx

A: The absolute value function: y can be defined as: y=-y,y<0yy≥0.

Q: Find the limit.

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Q: No growth or decay occurs when r = 1. If P = (625)(1)t, then find P0 = _________ P1 = _________ P2…

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Q: An exponential function t(x) = v(a“-²) where v is a nonzero integer and a is an integer greater than…

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Q: Given a pdf that is N(7, 5 2) find P(|x-5|>

A: From the given information, The pdf is (7, 5.2) That is, μ=7 and σ=5.2

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