he waiting time to check out of a supermarket has had a population mean of 10.28 minutes. Recently, educe the waiting time, the supermarket has experimented with a system in which there is a single waiting line with nultiple checkout servers. A sample of 60 customers was selected, and their mean waiting time to check out was 9.26 ninutes with a sample standard deviation of 5.1 minutes. Complete parts (a) through (d). Click here to view page 1 of the critical values for the t Distribution. Click here to view page 2 of the critical values for the t Distribution. an effort to . At the 0.01 level of significance, using the critical value approach to hypothesis testing, is there evidence that the population mean waiting time to check out is less than 10.28 minutes? Nhat are the null and alternative hypotheses for this test? O A. Ho us9.26 H1: p>9.26 O D. Ho: us10.28 H1: p> 10.28 O B. Ho: u<9.26 H1: με 926 O E. Ho: u29.26 H1:p<9.26 OC. Ho: u> 10.28 H με 10 28 OF. Ho: uz 10.28 H1:p< 10.28

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Solve part A?

and Find the P-Value?

and interupt the meaning of p-value in this problem?

he waiting time to check out of a supermarket has had a population mean of 10.28 minutes. Recently,
educe the waiting time, the supermarket has experimented with a system in which there is a single waiting line with
nultiple checkout servers. A sample of 60 customers was selected, and their mean waiting time to check out was 9.26
ninutes with a sample standard deviation of 5.1 minutes. Complete parts (a) through (d).
Click here to view page 1 of the critical values for the t Distribution.
Click here to view page 2 of the critical values for the t Distribution.
an effort to
. At the 0.01 level of significance, using the critical value approach to hypothesis testing, is there evidence that the
population mean waiting time to check out is less than 10.28 minutes?
Nhat are the null and alternative hypotheses for this test?
O A. Ho us9.26
H1: p>9.26
O D. Ho: us10.28
H1: p> 10.28
O B. Ho: u<9.26
H1: με 926
O E. Ho: u29.26
H1:p<9.26
OC. Ho: u> 10.28
H με 10 28
OF. Ho: uz 10.28
H1:p< 10.28
Transcribed Image Text:he waiting time to check out of a supermarket has had a population mean of 10.28 minutes. Recently, educe the waiting time, the supermarket has experimented with a system in which there is a single waiting line with nultiple checkout servers. A sample of 60 customers was selected, and their mean waiting time to check out was 9.26 ninutes with a sample standard deviation of 5.1 minutes. Complete parts (a) through (d). Click here to view page 1 of the critical values for the t Distribution. Click here to view page 2 of the critical values for the t Distribution. an effort to . At the 0.01 level of significance, using the critical value approach to hypothesis testing, is there evidence that the population mean waiting time to check out is less than 10.28 minutes? Nhat are the null and alternative hypotheses for this test? O A. Ho us9.26 H1: p>9.26 O D. Ho: us10.28 H1: p> 10.28 O B. Ho: u<9.26 H1: με 926 O E. Ho: u29.26 H1:p<9.26 OC. Ho: u> 10.28 H με 10 28 OF. Ho: uz 10.28 H1:p< 10.28
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