Assume that the average length of some wire is 52 inches with a standard deviation of 6.5 inches. At most what percentage of the wire exceeds 71.5 inches? Assume that the distribution is symmetric about the mean.

Q: b) The life expectancy of the radioactive isotopes is exponentially distributed with a mean 3 years.…

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Q: 1.) Probability Concepts A sales manager estimates that the mean expected sales volume of a proposed…

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A: As per our guidelines I can solve only first question. Kindly post the remaining questions again.

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A: It is known that  Total cards = 52 Number of aces = 4

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A: First 5 terms of the sequence from the recurrence relation : - As per the given equation; an= an-1 +…

Q: indicated probability of time spent each weeknight doing homework. 45. A randomly selected high…

A: It is given that  Mean, μ = 52.5 Standard deviation, σ = 5.1

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A: given data, standard deck  of cards total outcomes =52 cards probability of drawing either a jack or…

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A: Note- Giving solution for option B only, because part a is already solved.

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A: Given: First die has sides (0, 1, 2, 3, 4, 5) and the second die has sides (2, 3, 4, 5, 6, 7)

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Q: that has pdf, f(x) = (1/5)exp{-x/5}, 0 < x < ∞, = zero, elsewhere. (a) Compute the moment generating…

A: Given  X~exp(1/5)

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Q: Math 23 Practice Test 3 (1) The diameters of oranges from a Florida orchard are normally distributed…

A: as per guideline expert have to solve first question only. Q-1)normal distributionμ = 3.2σ = 1.1

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Q: he Weights of baby giraffes are known to have a mean of 126 pounds and a standard deviation f 14…

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Q: 2. Let X and Y be independent random variables with common distribution function F and density…

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A: Given information: Winning margin now for Kansas City this weekend follows N(1, 144). μ=1σ=12

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A: Find confidence level  Z=1.28  Z=-1.44

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Q: Q1: Suppose the number of customers X that enter a store between the hours 9:00 a.m. and 10:00 a.m.…

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A: Given P=0.8 n=1000

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Q: Let X₁, X2, and X3 represent the times necessary to perform three successive repairs tasks at a…

A: d) Let Y=X1+X2-2X3 Consider, E(Y)=E(X1+X2-2X3)       =EX1+EX2-2EX3      =μ1+μ2-2μ3     =40+50-2*60…

Q: On the Back! 2. Ms. Lin recorded her students' test scores. Represent the data in a frequency table…

A: 1 71 2 99 3 95 4 96 5 77 6 79 7 78 8 81 9 75 10 90 11 84 12 99 13 87 14 68…

Q: Problem #6: There are 6 yellow, 9 blue, and 4 orange balls inside an urn. 8 balls are chosen from…

A: We have given that Number of yellow balls = 6 Number of blue balls = 9 Number of orange balls = 4…

Q: ould you solve e, please

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Q: (a) Suppose that you choose three coins at random (without replacement) from a bag containing four…

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