Ch 7 and 8 homework - correspond to b For 2 sided...

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GENG 200 – Probability and Statistics for Engineers (HW) Due date: 25/12/2013 Name: Abdullah Baqir 201201941 Partner 1: Sharief Saleh 201201943 Partner 2: Mohammed Abou Bakr 201102740 Partner 3: Nasser Ahmad 201107575 CHAPTER 7 7-11) = 7-12)
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a) b) c) 7-18) a) b) 7-22) Since both points are unbiased therefore the smallest value of either of the 2 variances will make a better estimator in this case 7-24)
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The relative efficiency > 1 and the point estimator (PE 2 ) is unbiased, this is the best suitable estimator to use. CHAPTER 8 8-1) a) b) c)
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*(Referencing from solution manual for hint) 8-2) a) For 2 sided confidence intervals, 95% would
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Unformatted text preview: correspond to b) For 2 sided confidence intervals, 80% would correspond to c) For 2 sided confidence intervals, 75% would correspond to 8-3) a) For one sided 90% CI is when b) For one sided 95% CI is when c) For one sided 99% CI is when 8-9) a) longer b) No, the probability for µ to be within this interval is 0 or 1 c) Yes, since the upper and lower confidence limits are random variables.(*solution manual reference*) *(Question (8-23) & (8-37) cancelled out since it wasn’t covered in class.)...
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