The U.S. Postal Service (USPS) is faced with the issue of a large portion of mail (letters and packages) that cannot be delivered because of an illegible or non-existent address. USPS would like to find out if there is any evidence that the proportion of undeliverable mail has significantly decreased since last year when it was 6%. Which of the following are the correct null and alternative hypotheses for this test? Select one: a. Ho: p = 0.06 versus Ha: p > 0.06 b. Ho: p < 0.06 versus Ha: p = 0.06 c. Ho: p = 0.06 versus Ha: p < 0.06 d. Ho: p< 0.06 versus Ha: p> 0.06
The U.S. Postal Service (USPS) is faced with the issue of a large portion of mail (letters and packages) that cannot be delivered because of an illegible or non-existent address. USPS would like to find out if there is any evidence that the proportion of undeliverable mail has significantly decreased since last year when it was 6%. Which of the following are the correct null and alternative hypotheses for this test? Select one: a. Ho: p = 0.06 versus Ha: p > 0.06 b. Ho: p < 0.06 versus Ha: p = 0.06 c. Ho: p = 0.06 versus Ha: p < 0.06 d. Ho: p< 0.06 versus Ha: p> 0.06
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:The U.S. Postal Service (USPS) is faced with the issue of a large portion of mail (letters and packages) that cannot be
delivered because of an illegible or non-existent address. USPS would like to find out if there is any evidence that the
proportion of undeliverable mail has significantly decreased since last year when it was 6%.
Which of the following are the correct null and alternative hypotheses for this test?
Select one:
a. Ho: p = 0.06 versus Ha:p> 0.06
b. Ho: p < 0.06 versus Ha: p = 0.06
c. Ho: p = 0.06 versus Ha: p < 0.06
d. Ho: p < 0.06 versus Ha: p> 0.06
ge
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