Suppose x has a distribution with a mean of 20 and a standard deviation of 4. Random samples of size n = 64 are drawn. A USE SALT (a) Describe the x distribution and compute the mean and standard deviation of the distribution. x has Select--- v distribution with mean u = and standard deviation o, = (b) Find the z value corresponding to x = 19.5. (c) Find P(x < 19.5). (Round your answer to four decimal places.) P(x < 19.5) = (d) Would it be unusual for a random sample of size 64 from the x distribution to have a sample mean less than 19.5? Explain. O Yes, it would be unusual because less than 5% of all such samples have means less than 19.5. O No, it would not be unusual because more than 5% of all such samples hare means less than 19.5. O Yes, it would be unusual because more than 5% of all such samples have means less than 19.5. O No, it would not be unusual because less than 5% of all such samples have means less than 19.5.

Suppose x has a distribution with a mean of 20 and a standard deviation of 4. Random samples of size n = 64 are drawn. A USE SALT (a) Describe the x distribution and compute the mean and standard deviation of the distribution. x has Select--- v distribution with mean u = and standard deviation o, = (b) Find the z value corresponding to x = 19.5. (c) Find P(x < 19.5). (Round your answer to four decimal places.) P(x < 19.5) = (d) Would it be unusual for a random sample of size 64 from the x distribution to have a sample mean less than 19.5? Explain. O Yes, it would be unusual because less than 5% of all such samples have means less than 19.5. O No, it would not be unusual because more than 5% of all such samples hare means less than 19.5. O Yes, it would be unusual because more than 5% of all such samples have means less than 19.5. O No, it would not be unusual because less than 5% of all such samples have means less than 19.5.

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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