Answered: A. The average cost per household of…

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:(Items 24 – 50) show your solutions clearly and legibly the space provided. A. The average cost per household of owning a brand new car is 5,000. Suppose that we randomly selected 40 households. Determine the probability that the sample mean for these 40 households is more than 5,350? Assume the variable is normally distributed and the standard deviation is 1,230. B. Given population 15, 12, 6, 9, and 17. Suppose samples of size 3 are drawn from this population. Complete the table and draw the sketch of histogram. Describe the distribution. Possible Samples Sample Means Mean Frequency P()

C. Given population 15, 12, 6, 9, and 17. Suppose samples of size 3 and 4 are drawn from this population with standard
deviation of the population is 2. On its columns write the name of its symbol in the space provided and complete
the table. ( ).
3
4

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