Supposeall1a31all0a31a12 a1300a33a32a12 a131 0a32 a33a110a31 a32 a33alla12a130 1 = 2a11 a12 a134 10a31 a32 a33=Fnd the following.= 4-3=all a12 a13a31 a32 a33 =410-3-a12 a13000 =a31 a32 a33- 5

Answered: Image /qna-images/answer/00b28fea-445d-4942-a12a-c7c3352e0f67.jpg

Answered: a11 1 a31 all 0 a31 a12 a13 0 0 a32 a33…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wait in individua listed below. Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.5 6.6 6.7 4.4 5.5 5.9 Bank B (individual lines): 6.8 7.0 7.3 7.5 7.7 7.8 6.2 6.7 7.7 9.3 7.7 8.4 The coefficient of variation for the waiting times at Bank A is 7.1%. (Round to one decimal place as needed.) The coefficient of variation for the waiting times at the Bank B is (Round to one decimal place as needed.) %. 7.8 9.7
Goals scored by two teams in a football match were as follows No. of football matches played No. of goals scored in a football match Team A Team B 15 20 1 10 10 2 7 5 3 4 4 2 5 2 1 Total 42 42 Calculate coefficient of variation and state which team is more consistent.
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Question Help ▼ The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter an one of three different lines that have formed at three teller windows. Answer the following questions. 7.9 7.9 7.1 6.7 Bank A 6.3 6.6 6.7 6.8 7.2 7.4 7.9 Bank B 4.2 5.3 5.8 6.2 7.6 7.6 8.5 9.3 10.0 Click the icon to view the table of Chi-Square critical values. Construct a 95% confidence interval for the population standard deviation o at Bank A. min < Opank A min (Round to two decimal places as needed.) Construct a 95% confidence interval for the population standard deviation o at Bank B min < OBank B min (Round to two decimal places as needed.) Internret the results found in the previous parts Do the confidence intervals suagest a difference in the variation amona waitina times? Does the sinale-line svstem or the multinle-line svstem seem to be a Click to select…
Question Help The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feed three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A Bank B 6.3 6.6 6.7 6.8 7.1 6.7 7.3 7.5 7.8 7.8 9.3 7.8 4.2 5.5 5.9 6.3 77 7.7 8.5 10.0 Click the icon to view the table of Chi-Square critical values. Construct a 90% confidence interval for the population standard deviation o at Bank A. 0.40 min < oBank A< 0.91 min (Round to two decimal places as needed.) Construct a 90% confidence interval for the population standard deviation o at Bank B. min < OBank B

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a11 1 a31 all 0 a31 a12 a13 0 0 a32 a33 a12 a13 1 0 a32 a33 a11 a12 a13 0 0 1 a31 a32 a33 = = 4 a11 a12 a13 a31 a32 a33 4 10 -3 = 2 Fnd the following. a11 a12 a13 4 10 -3 = a31 a32 a33 = 5