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Based on a sample of 150 textbooks at the store, you find an average of 101.49 an deviation of 17. The point estimate is: (to 3 decimals) The 99 % confidence interval (use z*) is: to 3 decimals)

Based on a sample of 150 textbooks at the store, you find an average of 101.49 an deviation of 17. The point estimate is: (to 3 decimals) The 99 % confidence interval (use z*) is: to 3 decimals)

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 1E
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Based on a sample of 150 textbooks at the store, you find an average of 101.49 and a standard deviation of 17. The point estimate is: (to 3 decimals) The 99 % confidence interval (use z*) is: to (to 3 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis
Transcribed Image Text:Based on a sample of 150 textbooks at the store, you find an average of 101.49 and a standard deviation of 17. The point estimate is: (to 3 decimals) The 99 % confidence interval (use z*) is: to (to 3 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis
Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC bookstore costs $ 93.29. You want to test this claim. The null and alternative hypothesis in symbols would be: О Но:р< 93.29 H1:p > 93.29 O Ho:µ > 93.29 H1:µ < 93.29 Ho:p = 93.29 H1:p + 93.29 О Но:р > 93.29 H:р < 93.29 O Ho: µ = 93.29 H1:µ + 93.29 O Ho: µ < 93.29 H1:µ > 93.29 The null hypothesis in words would be: O The average price of all textbooks from the store is $ 93.29 O The average price of textbooks in a sample is $ 93.29 O The average of price of all textbooks from the store is greater than $ 93.29. O The average of price of all textbooks from the store is less than $ 93.29. O The proportion of all textbooks from the store that are less than 93.29 is equal to 50%
Transcribed Image Text:Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC bookstore costs $ 93.29. You want to test this claim. The null and alternative hypothesis in symbols would be: О Но:р< 93.29 H1:p > 93.29 O Ho:µ > 93.29 H1:µ < 93.29 Ho:p = 93.29 H1:p + 93.29 О Но:р > 93.29 H:р < 93.29 O Ho: µ = 93.29 H1:µ + 93.29 O Ho: µ < 93.29 H1:µ > 93.29 The null hypothesis in words would be: O The average price of all textbooks from the store is $ 93.29 O The average price of textbooks in a sample is $ 93.29 O The average of price of all textbooks from the store is greater than $ 93.29. O The average of price of all textbooks from the store is less than $ 93.29. O The proportion of all textbooks from the store that are less than 93.29 is equal to 50%
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