Questions 10-17 are related to the following informationA population has a mean of 1858.6 and standard deviation of 320.12.10 A random sample of size n = 72 is selected from this population.The probability that the sample mean exceeds 1900 is.abPoсd11 The fraction of the means from samples of size 72 that are below 1825 is,a0.16490.17540.18660.19852002bсd12200 23૩bсdab13 The margin of error for the middle interval that captures 95% of the sample means from samples of size 72is,сd14abсda2002b15 Suppose we double the sample size to n = 2 x 72 = 144.Regarding the impact of changing the sample size on the margin of sampling error, doubling the sample size,but keeping the error probability a at 5%, the MOE would,29%50%52%50%сdab0.12530.13620.14810.1610fсdThe fraction of the means from samples of size 72 that are within ±60 from the population mean is,0.90600.88830.87080.853816 The middle interval that captures 99% of all means from samples of size 72 is,1739.6a73.9471.1068.3665.73сdThe middle interval that captures 95% of the means from samples of size 72 is,1768.021949.181773.941943.261779.48 1937.721784.661932.54Decrease byDecrease byDecrease byIncrease by17 Now keep the error probability at a = 0.05. We want to build an interval which captures 95% of the samplemeans within +35 from the population mean. What is the minimum sample size that would yield such aninterval?1977.61747.31969.91754.6 1962.61761.4 1955.8354322293266

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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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