Consider a continuous Random Variable X whose probability is distributed as 1 (x-10)² 8 fx(x) = 1. What is the expected value of X? 2. What is variance of X? 2√2π e

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A: The formula to calculate the mean is,The formula to calculate the standard deviation is,

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A: The Population proportion isp=0.37The sample size is 40,80,120

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A: Given,P(high-quality oil) = 0.50P(medium-quality oil) = 0.20P(no oil) = 0.30Using formulas,

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A: The total number of brands is 8. The number of brands chosen randomly is 5.

Q: Joan's Nursery specializes in custom-designed landscaping for residential areas. The estimated labor…

A: Data: 1.6,1.5,2.6,2.3,2.3,2.3,2.6,3,1.5,2.3Note:- According to the Bartleby guidelines experts solve…

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A: The given data is as follows:

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A: We have given thatMean() = 60standard deviation () = 10sample size (n) = 49

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A: Margin of error=E=11Population standard deviation=105

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A: It is given that x̄ = 30.2σ = 4.49n = 130

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A: n=200, x=152

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A: Taking the closest points to theine from the graph.Point 1: (20,8) Point 2 : (44,15)

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A: X~Exp(θ)

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A: Given:      Mean  =39     Standard Deviation  = 5

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A: In spinner One grey, three blue and two purple.

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A: The probability shows how likely an event occurs.

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Q: Sample 1: n₁ = 6, x₁ = 27.7, s₁ = 9.44 Sample 2: m₂ = 19, x₂ = 27.2, s₂ = 8.4 (a) The degree of…

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A: Let X denote the the random sample of size n drawn from a population that is normally distributed.…

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Q: Macmillan Learning Choose an adult age 18 or over in the United States at random and ask, "How many…

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A: Normal distribution

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A:

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A: The data is as follows: ParticipantBeforeAfterA710B613C912D58

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Q: A random sample of 120 students has a test score average deviation of 11.4 find the margin of error…

A: