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1. A restaurant asked its customers how far they drove to eat at the restaurant and got an average of 22 miles. The owner thinks that number should be lower. State the null and alternative hypothesis.

1. A restaurant asked its customers how far they drove to eat at the restaurant and got an average of 22 miles. The owner thinks that number should be lower. State the null and alternative hypothesis.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 1CA
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1. A restaurant asked its customers how far they drove to eat at the restaurant and got an average of 22 miles. The owner thinks that number should be lower. State the null and alternative hypothesis. 2. The average amount of calories in a box of cookies is 120 calories. A person thinks this number should be different. State the null and alternative hypothesis. 3. The average time a teenager watches tv in a day is 93 minutes. Suppose that the population is normally distributed with a o = 12 and a test of hypothesis H,: µ = 93 versus Ha:µ> 93 will be performed with a sample of size 9. Construct the rejection region for the test for the choice a = .05 4. The average GPA of a high school is 2.86. Suppose that the population is normally distributed with a o =.7 and a test of hypothesis H,: µ = 2.86 versus H, : µ # 2.86 will be performed with a sample of size 8. Construct the rejection region for the test for the choice a = .01 . The average number of skittles in a bag is 42. Suppose that the population is normally distributed with a o = 5 and a test of hypothesis H.: µ = 42 versus Ha: H< 42 will be performed with a sample of size 7. Construct the rejection region for the test for the choice a = ,1 https://www.teacherspayteachers.com/Store/My-Geometry-World
Transcribed Image Text:1. A restaurant asked its customers how far they drove to eat at the restaurant and got an average of 22 miles. The owner thinks that number should be lower. State the null and alternative hypothesis. 2. The average amount of calories in a box of cookies is 120 calories. A person thinks this number should be different. State the null and alternative hypothesis. 3. The average time a teenager watches tv in a day is 93 minutes. Suppose that the population is normally distributed with a o = 12 and a test of hypothesis H,: µ = 93 versus Ha:µ> 93 will be performed with a sample of size 9. Construct the rejection region for the test for the choice a = .05 4. The average GPA of a high school is 2.86. Suppose that the population is normally distributed with a o =.7 and a test of hypothesis H,: µ = 2.86 versus H, : µ # 2.86 will be performed with a sample of size 8. Construct the rejection region for the test for the choice a = .01 . The average number of skittles in a bag is 42. Suppose that the population is normally distributed with a o = 5 and a test of hypothesis H.: µ = 42 versus Ha: H< 42 will be performed with a sample of size 7. Construct the rejection region for the test for the choice a = ,1 https://www.teacherspayteachers.com/Store/My-Geometry-World
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