The data table contains waiting times of customers at a bank, where customers enter a single waiting line that feeds three tellerwindows. Test standard deviation of waiting times is less than 2.4 minutes, which is the standard deviation of waiting times at the same bank when separate waung used at each teller window. Use a significance level of 0.01. Assume that the sample is a simple random sample selected from a normally distributed population. Complete parts (a) through (d) below. m Click on the icon to view the data. that the are a. Identify the null and alternative hypotheses. Choose the correct answer below. A. Hg: o-24 minutes HA o<24 minutes OB. Ho o24 minutes HAo<24 minutes c. Ho: a 24 minutes HA O24 minutes OD. H: a<2.4 minutes HA 24 minutes b. Compute the test statistic (Round to two decimal places as needed.)
The data table contains waiting times of customers at a bank, where customers enter a single waiting line that feeds three tellerwindows. Test standard deviation of waiting times is less than 2.4 minutes, which is the standard deviation of waiting times at the same bank when separate waung used at each teller window. Use a significance level of 0.01. Assume that the sample is a simple random sample selected from a normally distributed population. Complete parts (a) through (d) below. m Click on the icon to view the data. that the are a. Identify the null and alternative hypotheses. Choose the correct answer below. A. Hg: o-24 minutes HA o<24 minutes OB. Ho o24 minutes HAo<24 minutes c. Ho: a 24 minutes HA O24 minutes OD. H: a<2.4 minutes HA 24 minutes b. Compute the test statistic (Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
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![The data table contains waiting times of customers at a bank, where customers enter a single waiting line that feeds three tellerwindows. Test
standard deviation of waiting times is less than 2.4 minutes, which is the standard deviation of waiting times at the same bank when separate waiurng es are
used at each teller window. Use a significance level of 0.01. Assume that the sample is a simple random sample selected from a normally distributed
population. Complete parts (a) through (d) below.
E Click on the icon to view the data.
that the
a. Identify the null and alternative hypotheses. Choose the correct answer below.
A. Hg: a=24 minutes
HA o<24 minutes
OB. Ho: o2 24 minutes
HAa<24 minutes
C. Hg: a = 2.4 minutes
O D. Ho: a<24 minutes
HAo24 minutes
HA o424 minutes
b. Compute the test statistic.
(Round to two decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbed0cb83-0cba-416b-b2a7-609c4e09f4ce%2Fad69bb74-0d41-4db2-9d00-654b1e0b904b%2Fwz7yd8g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The data table contains waiting times of customers at a bank, where customers enter a single waiting line that feeds three tellerwindows. Test
standard deviation of waiting times is less than 2.4 minutes, which is the standard deviation of waiting times at the same bank when separate waiurng es are
used at each teller window. Use a significance level of 0.01. Assume that the sample is a simple random sample selected from a normally distributed
population. Complete parts (a) through (d) below.
E Click on the icon to view the data.
that the
a. Identify the null and alternative hypotheses. Choose the correct answer below.
A. Hg: a=24 minutes
HA o<24 minutes
OB. Ho: o2 24 minutes
HAa<24 minutes
C. Hg: a = 2.4 minutes
O D. Ho: a<24 minutes
HAo24 minutes
HA o424 minutes
b. Compute the test statistic.
(Round to two decimal places as needed.)
![Customer Waiting Times
(in minutes)
8.9
6.2
7.1
7.1
6.4
7.8
7.1
7.7
7.8
6.6
8.2
6.6
6.7
7.2
7.6
7.3
7.5
6.3
5.3
7.7
7.9
8.9
7.5
6.1
6.2
8.2
7.3
8.3
6.4
7.9
6.2
7.9
8.8
8.8
6.7
7.5
6.4
7.8
6.6
7.2
7.5
6.8
5.4
7.6
8.3
6.3
8.7
7.8
8.3
7.1
7.5
6.2
6.4
6.3
7.9
7.9
6.5
7.2
6.7
7.6](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbed0cb83-0cba-416b-b2a7-609c4e09f4ce%2Fad69bb74-0d41-4db2-9d00-654b1e0b904b%2Fuwrgjif_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Customer Waiting Times
(in minutes)
8.9
6.2
7.1
7.1
6.4
7.8
7.1
7.7
7.8
6.6
8.2
6.6
6.7
7.2
7.6
7.3
7.5
6.3
5.3
7.7
7.9
8.9
7.5
6.1
6.2
8.2
7.3
8.3
6.4
7.9
6.2
7.9
8.8
8.8
6.7
7.5
6.4
7.8
6.6
7.2
7.5
6.8
5.4
7.6
8.3
6.3
8.7
7.8
8.3
7.1
7.5
6.2
6.4
6.3
7.9
7.9
6.5
7.2
6.7
7.6
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