d. Find the p-value.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 74E
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Question
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I need the right answer to d.
![In an experiment to determine the effects of outside temperature on the emissions of diesel trucks, 10
trucks were run at temperatures of 40°F and then again at 80°F. The emissions of each truck at the two
temperatures are presented in the table below.
40°F
80°F
769
771
-3
H₁: P
892
965
+ + +
-2 -1 0 1
Critical value(s):
1.973
Can you conclude that the mean emissions are higher at 40°F? Use the a = 0.04 level.
a. State the null and alternative hypotheses.
Ho: ✓
b. Find the critical value and sketch the rejection region.
Sketch of Rejection Region:
774
740
c. Find the test statistic.
1.782
d. Find the p-value.
869
850
0
+
2 3 -3
0
852
800
+ + + +
-1
750
714
777
772
^^
2
-2 -1
0 1
899
882
(If there are two critical values, list both values separated by a comma)
863
771
+ + +
1
2
709
626
8
OF](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fea001b51-a3b4-48ab-a9ef-56915b7b8741%2Fbc341e1f-51c1-4f55-b62f-1cdf0a5ea668%2Fzl5bb5_processed.png&w=3840&q=75)
Transcribed Image Text:In an experiment to determine the effects of outside temperature on the emissions of diesel trucks, 10
trucks were run at temperatures of 40°F and then again at 80°F. The emissions of each truck at the two
temperatures are presented in the table below.
40°F
80°F
769
771
-3
H₁: P
892
965
+ + +
-2 -1 0 1
Critical value(s):
1.973
Can you conclude that the mean emissions are higher at 40°F? Use the a = 0.04 level.
a. State the null and alternative hypotheses.
Ho: ✓
b. Find the critical value and sketch the rejection region.
Sketch of Rejection Region:
774
740
c. Find the test statistic.
1.782
d. Find the p-value.
869
850
0
+
2 3 -3
0
852
800
+ + + +
-1
750
714
777
772
^^
2
-2 -1
0 1
899
882
(If there are two critical values, list both values separated by a comma)
863
771
+ + +
1
2
709
626
8
OF
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