What is the probability choosing someone who tested positive hasCovidPositive test NEgative test total410160200NOCovid49093109800Totat650935010000

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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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number of drinks per week382152200452701530254169531210611211966670411101922211610105231444362852716403111
Use the standard normal table to find the z-score that corresponds to the cumulative area 0.8365. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. Click to view page 1 of the standard normal table. LOADING... Click to view page 2 of the standard normal table. LOADING... z=nothing (Type an integer or decimal rounded to three decimal places as needed.)
Use the standard normal table to find the z-score that corresponds to the cumulative area 0.1922. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the Z-score halfway between the corresponding z-scores. Click to view page 1 of the standard normal table. Click to view page 2 of the standard normal table. (Type an integer or decimal rounded to three decimal places as needed.)
Fill in the blank: If a variable has only two possible values, the chi-square homogeneity test provides a procedure for comparing several population ______.
Use the standard normal table to find the z-score that corresponds to the cumulative area 0.0146. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. Click to view page 1 of the standard normal table. LOADING... Click to view page 2 of the standard normal table. LOADING... z=enter your response here (Type an integer or decimal rounded to three decimal places as needed.)
Use the Chi-Square test to determine if your third-generation population data fits the expected population. Show all calculations and state the P-value you obtain (use p and q numbers from generation 0 and 3 in the calculation). Generation 0 number for p = .5 and Q = .5 Generation 3 number for P= .6 and Q = .4
Use the Standard Normal Table or technology to find the z-score that corresponds to the following cumulative area. 0.9682 The cumulative area corresponds to the z-score of=
Use the Standard Normal Table or technology to find the z-score that corresponds to the following cumulative area. 0.9696 (Round to three decimal places as needed.)
Find pupolation skewness of data 495655353457384035
Calculate the pp -value. Round to four decimal places. Make a decision. Reject the null hypothesis Fail to reject the null hypothesis Make a conclusion. There is not sufficient evidence that the proportion of people who own cats is smaller. There is sufficient evidence that the proportion of people who own cats is smaller.
Sampling Concept IESCO claimed that at most 80% of the parts which they supplied on a government contract conformed to specifications. A sample of 400 parts was tested, and 46 did not meet specifications. Can we accept the company’s claim at  = 0.05 level of significance? Use P – value method.
Use the Standard Normal Table or technology to find the z-score that corresponds to the following cumulative area. 0.95 The cumulative area corresponds to the z-score of enter your response here.

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