Measuring lung function: One of the measurements used to determine the health of a person's lungs is the amount of air a person can exhale under force in one second. This is called the forced expiratory volume in one second, and is abbreviated FEV. Assume the mean FEV, for 10-year-old boys is 2.1 iters and that the population standard deviation is o0.4. A random sample of 34 10-year-old boys who live in a community with high levels of ozone polution are found to have a sample mean FEV, of 2.05 liters. Can you conclude that the mean FEV, in the high-pollution community is less than 2.1 iters? Use the a0.10 level of significance and the P-value method with the table. Part: 0/5 Part i of 5 State the appropriate null and alternate hypotheses. H This hypothesis test is a nght-tailed Vtest. right-tailed left-talled two-talled
Measuring lung function: One of the measurements used to determine the health of a person's lungs is the amount of air a person can exhale under force in one second. This is called the forced expiratory volume in one second, and is abbreviated FEV. Assume the mean FEV, for 10-year-old boys is 2.1 iters and that the population standard deviation is o0.4. A random sample of 34 10-year-old boys who live in a community with high levels of ozone polution are found to have a sample mean FEV, of 2.05 liters. Can you conclude that the mean FEV, in the high-pollution community is less than 2.1 iters? Use the a0.10 level of significance and the P-value method with the table. Part: 0/5 Part i of 5 State the appropriate null and alternate hypotheses. H This hypothesis test is a nght-tailed Vtest. right-tailed left-talled two-talled
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![Measuring lung function: One of the measurements used to determine the health of a person's lungs is the amount of air a person can exhale under force in
one second. This is called the forced expiratory volume in one second, and is abbreviated FEV,. Assume the mean FEV, for 10-year-old boys is 2.1 liters and
that the population standard deviation is o
to have a sample mean FEV, of 2.05 liters. Can you conclude that the mean FEV in the high-pollution community is less than 2.1 liters? Use the a0,10 level
of significance and the P-value method with the table.
0.4. A random sample of 34 10-year-old boys who live in a community with high levels of ozone pollution are found
Part: 0/5
Part 1 of 5
State the appropriate null and alternate hypotheses.
H
H
This hypothesis test is a right-talled
V test.
right-tailed
left-talled
two-tailed](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3db5ec5e-daef-4fd9-bd5d-50b97088e2c8%2Ff2262fe8-a783-49d8-a257-41e6359c99ee%2F7244kvr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Measuring lung function: One of the measurements used to determine the health of a person's lungs is the amount of air a person can exhale under force in
one second. This is called the forced expiratory volume in one second, and is abbreviated FEV,. Assume the mean FEV, for 10-year-old boys is 2.1 liters and
that the population standard deviation is o
to have a sample mean FEV, of 2.05 liters. Can you conclude that the mean FEV in the high-pollution community is less than 2.1 liters? Use the a0,10 level
of significance and the P-value method with the table.
0.4. A random sample of 34 10-year-old boys who live in a community with high levels of ozone pollution are found
Part: 0/5
Part 1 of 5
State the appropriate null and alternate hypotheses.
H
H
This hypothesis test is a right-talled
V test.
right-tailed
left-talled
two-tailed
![Part 2 of 5
Compute the value of the test statistic. Round the answer to at least two decimal places.
%3D
Part: 2 /5
Part 3 of 5
Find the P-value. Round the answer to at least four decimal places.
P-value =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3db5ec5e-daef-4fd9-bd5d-50b97088e2c8%2Ff2262fe8-a783-49d8-a257-41e6359c99ee%2F8e6v2is_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Part 2 of 5
Compute the value of the test statistic. Round the answer to at least two decimal places.
%3D
Part: 2 /5
Part 3 of 5
Find the P-value. Round the answer to at least four decimal places.
P-value =
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