Q1 (a) Given probability distribution function for discrete random variable X as below: 2 4 6. 8. 10 P(X = x) 0.08 0.25 0.35 0.2 0.12 (i) Find the mean of X. (ii) Find the variance of X.

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Q: ACTIVITY 2 - STATISTICAL ANALYSIS I. Follow the steps in testing hypothesis to answer the problem:…

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A: Given that  X~Normal( μ = 60 , σ = 10 ) n=10   Note: According to bartleby experts question answers…

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A: Given that  x-bar1 = 87, s1 = 1.8, n1 = 30, x-bar2 = 86, s2 = 3.2, n2 = 33,

Q: (a) Azli and Iman are both traveling for Batu Pahat to Melaka on daily basis. The average travelling…

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Q: Consider the following pairs of points for the variables X nd Y. What is the value for SSE or the…

A: We have given that, SSxx = 54.5 SSyy = 54.5 SSxy = -50.5 Se = 0.98148

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A: Given that.   X~N( μ , ?^2 )   μ=60     , ?=20   Z-score =( x - μ )/?

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A: Given that  Sample size n =23 Sample mean =840 Standard deviation =15

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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Q: Use a formula to express w as a function of t if  w =    4s + 9 and s = et − 1.  w =

A: We have given that,  w = 4s + 9 and  s = et − 1 Then,  We will find w in terms of t?

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Q: The weight of goats at a farm is normally distributed with a mean of 60 kg and a standard deviation…

A: Let T denote the total weight of 10 goats. Since weight of goats follows N(mean = 60, SD = 10), then…

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A: Given that  X~Normal(μ=75 , σ=4.5) n=7

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A: Given that  Sample mean =9.72 Margin of error =E =0.22

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A: A Markov process with discrete state space and discrete index set is called as Markov chain.

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A: Given that  Population proportion p=80%=0.80 Sample size n =400

Q: Consider the model for the time series {y| t e T} y, = x, + v, and x, = Bx,1 +u, where {v| t e T}…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: In the population, the average IQ is 100 with a standard deviation of 15. A team of scientists wants…

A: We have given that  The a random IQ = 100 standard deviation = 15 Sample mean = 140 Sample size = 30

Q: 2. Compute the margin of error of p given the following: Confidence level 97%, p 0.85, n 120.

A: Since you have asked multiple question, we will solve the first questions for you. If you want any…

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A: 37)

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A: We have given that  Standard deviation = 0.5 P( Z < zp ) = 10% = 0.10

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A: a. Excel Procedure: Enter X and Y in Excel>Data>Data Analysis> ‘Regression’>Select Y…