Answered: 5 (15) Short Questions (Show all work)…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:5 (15) Short Questions (Show all work) (a) (3) The melting point of each of 16 samples of a certain brand of hydrogenated oil was determined resulting in X = 94.32. Assume that the distribution of the melting point is normal with o = 1.20. We test the hypothesis Họ: µ = 95 vs Ho: µ± 95. If a significance level of 0.10 is used, that if the probability of not concluding that true average melting point is different from 95, when the actual average melting point is 94. (Clearly first write down the formula to calculate the same and then calculate) 3 (b) (2) A test of H0: µ = 0 versus Ha: µ > 0 is conducted on the same population independently by two different researchers. They both use the same sample size and the same value of a = 0.05.What will be the same for both researchers? (The value of the test statistic/ the p-value of the test/ the power of the test if the true u = 6/ decision about whether to reject or not to reject the Null Hypothesis). (c) (3) If X, is a normal variate with mean 2 and standard deviation 4 and X2 is a normal variate with mean 3 and standard deviation 9, then find EEX1 – 3X2 and Var x1– 3X2

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