You are going to create your own problem from the topics that were covered from the material for that chapter. You can make the problem similar to questions from the textbook, homework, or notes. DO NOT COPY AN EXAMPLE WITH THE SAME NUMBERS. THAT IS CHEATING Create your problem:Researchers announced that 20% of all Italians living in Italy drive Americancars. A random sur vey was conducted to 100 Italians with cars, and it was foundthat 40 out of 100 have an American car. Is there enough evidence at the 5%level that 20% or more of Italians have American cars?Step #1 Hypothesize:List what is given:p=0.20 p=40/100= 0.40 n=100 x = 0.05List your Ho and Ha:Ho: p= 0.20 The portion of Italians with a car which is an American car is 20%.Hai p>0.20 The portion of Italians with a car which is an Amcrican car is greater than 20%.Step #2 Check the conditions:Condition 1: Random and independent → Randomis stated in the problem.Condition 2: Large sample rule→The population is at least 10 times as large as the sample.> 10(samplc size)All Italians living in Italy > 10(100)=1,000Condition 3: Big population rule n-PZIOΒρationn(l-p)Z 10100(1-0-20) ZIO100 (0.20) ZIO20 Z10 ♡80 Z 10 VStep #3 Find the SE and Z-Score :SE= 0.20(1-0.20) = 0.04100Z= ê-R.SEZ=040-0.200.04=5Test statistics: Z=5 Create your problem:Draw a picture of the situation with the z score then use z table to determine theprobability.NORMAL FLOAT AUTO REAL RADIAN MP100- 99.990.01%1-Prop2Test2=5p=0Write your p-value in a sentence: There is a 0.01% chance that Ho is truc.Compare the p-value to the significant level: X = 0.05Step #4 Inter pret:We rcject Ho. There is statistically significant evicence to reject Holp=0)WE conclude the portion of Italians living in Italy who have. Amcrican cars is greaterthan 20 %.95% Confident Interval:We are 95% confident that the portion of Italianspt(Z)(SE)living in Italy witha car who is an Amcrican car0.40 ± (1.96) (0.04)is between 32.16% and 47. 84 %.0.40±0.07840.40 + 0.0784 = 0.47840.40 – 0. 0784 = 0.3216

Hypothesis test are used to compare the sample and population, when we can't completely deal with…

You are going to create your own problem from the topics that were covered from the material for that chapter. You can make the problem similar to questions from the textbook, homework, or notes. DO NOT COPY AN EXAMPLE WITH THE SAME NUMBERS. THAT IS CHEATING

You are going to create your own problem from the topics that were covered from the material for that chapter. You can make the problem similar to questions from the textbook, homework, or notes. DO NOT COPY AN EXAMPLE WITH THE SAME NUMBERS. THAT IS CHEATING

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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