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(a) If you want to set up a statistical test t challenge the claim of 4.3 seconds, what would you use for the null hypothesis? OH 4.3 Ομ< 4.3 O- 4.3 O> 4.3 (b) The town of Leadville, Colorado, has an elevation over 10,000 feet. Suppose you wanted to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer in Leadville (because of less oxygen). What would you use for the alternate hypothesis? O-4.3 OH+ 4.3 OH < 4.3 O> 4.3 (c) Suppose you made an engine modification and you think the average time to accelerate from 0 to 60 miles per hour is reduced. What would you use for the alternate hypothesis? OH- 4.3 OH 4.3 O> 4.3 Ou< 4.3 (d) For each of the tests parts (b) and (c), would the P-value area be on the left, on the right, or on both sides of the mean? left; both O both; left O right; left O left; right

(a) If you want to set up a statistical test t challenge the claim of 4.3 seconds, what would you use for the null hypothesis? OH 4.3 Ομ< 4.3 O- 4.3 O> 4.3 (b) The town of Leadville, Colorado, has an elevation over 10,000 feet. Suppose you wanted to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer in Leadville (because of less oxygen). What would you use for the alternate hypothesis? O-4.3 OH+ 4.3 OH < 4.3 O> 4.3 (c) Suppose you made an engine modification and you think the average time to accelerate from 0 to 60 miles per hour is reduced. What would you use for the alternate hypothesis? OH- 4.3 OH 4.3 O> 4.3 Ou< 4.3 (d) For each of the tests parts (b) and (c), would the P-value area be on the left, on the right, or on both sides of the mean? left; both O both; left O right; left O left; right

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A certain magazine stated that the mean time for a Ford Mustang to go from 0 to 60 miles per hour is 4.3 seconds. (a) If you want to set up a statistical test to challenge the claim of 4.3 seconds, what would you use for the null hypothesis? µ # 4.3 µ < 4.3 µ = 4.3 u > 4.3 (b) The town of Leadville, Colorado, has an elevation over 10,000 feet. Suppose you wanted to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer in Leadville (because of less oxygen). What would you use for the alternate hypothesis? u = 4.3 H # 4.3 O µ < 4.3 µ > 4.3 (c) Suppose you made an engine modification and you think the average time to accelerate from 0 to 60 miles per hour is reduced. What would you use for the alternate hypothesis? O µ = 4.3 H # 4.3 O µ > 4.3 u < 4.3 (d) For each of the tests in parts (b) and (c), would the P-value area be on the left, on the right, or on both sides of the mean? O left; both both; left O right; left O left; right
Transcribed Image Text:A certain magazine stated that the mean time for a Ford Mustang to go from 0 to 60 miles per hour is 4.3 seconds. (a) If you want to set up a statistical test to challenge the claim of 4.3 seconds, what would you use for the null hypothesis? µ # 4.3 µ < 4.3 µ = 4.3 u > 4.3 (b) The town of Leadville, Colorado, has an elevation over 10,000 feet. Suppose you wanted to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer in Leadville (because of less oxygen). What would you use for the alternate hypothesis? u = 4.3 H # 4.3 O µ < 4.3 µ > 4.3 (c) Suppose you made an engine modification and you think the average time to accelerate from 0 to 60 miles per hour is reduced. What would you use for the alternate hypothesis? O µ = 4.3 H # 4.3 O µ > 4.3 u < 4.3 (d) For each of the tests in parts (b) and (c), would the P-value area be on the left, on the right, or on both sides of the mean? O left; both both; left O right; left O left; right
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