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Get Full Access to Linear Algebra With Applications - 4 Edition - Chapter 6 - Problem 5
Get Full Access to Linear Algebra With Applications - 4 Edition - Chapter 6 - Problem 5

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# TRUE OR FALSE If all the entries of a 7 x 7 matrix A are 7, then det A must be 77 ISBN: 9780136009269 434

## Solution for problem 5 Chapter 6

Linear Algebra with Applications | 4th Edition

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Problem 5

TRUE OR FALSE? If all the entries of a 7 x 7 matrix A are 7, then det A must be 77

Step-by-Step Solution:
Step 1 of 3

o -= .2 o  o z .10  the RBA up to here is .4000 = 1.28 o confidence interval is -1.29 ≤ z ≤ 1.28 - We want to derive the 1-confidence interval for ��� based on a SRS of n elements with n≥30 o = confidence level = given o by definition z we are 1-confident that 1- z ≤ z ≤ z    o thus, we are 1-confident that xx̄ +/- z ���/√n sample error: |xx̄ xx̄ - another description of the CI is this: we areconfident that the sample error |xx̄-does not exceed the margin of error z ���/√n Example: give a 99% confidence interval of th

Step 2 of 3

Step 3 of 3

##### ISBN: 9780136009269

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