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mg Calcium is essential to tree growth. In 1990, the concentration of calcium in precipitation in a certain area was 0.12 milligrams per liter L A random sample of 10 precipitation dates in 2018 results in the followin (a) through (c) below. E Click the icon to view the data table. (a) State the hypotheses for determining if the mean concentration of calcium precipitation has changed since 1990. Data table Ho: H = 0.12 mg/L H: H * 0.12 mg/L 0.071 0.069 0.115 0.204 0.317| 0 (b) With 90% confidence, the mean concentration of calcium in precipitation in this area in 2018 between 0.1018 and 0.1976 0.076 0.232 |C 0.189 (Use ascending order. Round to four decimal places as needed.) (c) Does the sample evidence suggest that calcium concentrations have changed since 1990? mg O A. No, because the confidence interval contains 0.12 Print Done mg O B. No, because the confidence interval does not contain 0.12 mg O c. Yes, because the confidence interval contains 0.12 O D. Yes, because the confidence interval does not contain 0.12

mg Calcium is essential to tree growth. In 1990, the concentration of calcium in precipitation in a certain area was 0.12 milligrams per liter L A random sample of 10 precipitation dates in 2018 results in the followin (a) through (c) below. E Click the icon to view the data table. (a) State the hypotheses for determining if the mean concentration of calcium precipitation has changed since 1990. Data table Ho: H = 0.12 mg/L H: H * 0.12 mg/L 0.071 0.069 0.115 0.204 0.317| 0 (b) With 90% confidence, the mean concentration of calcium in precipitation in this area in 2018 between 0.1018 and 0.1976 0.076 0.232 |C 0.189 (Use ascending order. Round to four decimal places as needed.) (c) Does the sample evidence suggest that calcium concentrations have changed since 1990? mg O A. No, because the confidence interval contains 0.12 Print Done mg O B. No, because the confidence interval does not contain 0.12 mg O c. Yes, because the confidence interval contains 0.12 O D. Yes, because the confidence interval does not contain 0.12

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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(편) mg Calcium is essential to tree growth. In 1990, the concentration of calcium in precipitation in a certain area was 0.12 milligrams per liter A random sample of 10 precipitation dates in 2018 results in the following data table. Complete parts (a) through (c) below. Click the icon to view the data table. (a) State the hypotheses for determining if the mean concentration of calcium precipitation has changed since 1990. Data table Ho: H = 0.12 mg/L H1: # 0.12 mg/L mg mg (b) With 90% confidence, the mean concentration of calcium in precipitation in this area in 2018 is between 0.1018 and 0.1976 0.076 0.071 0.069 0.232 0.111 0.189 0.115 0.204 0.317 0.113 (Use ascending order. Round to four decimal places as needed.) (c) Does the sample evidence suggest that calcium concentrations have changed since 1990? mg O A. No, because the confidence interval contains 0.12 Print Done (편) (편) (편) mg B. No, because the confidence interval does not contain 0.12 mg O C. Yes, because the confidence interval contains 0.12 mg O D. Yes, because the confidence interval does not contain 0.12
Transcribed Image Text:(편) mg Calcium is essential to tree growth. In 1990, the concentration of calcium in precipitation in a certain area was 0.12 milligrams per liter A random sample of 10 precipitation dates in 2018 results in the following data table. Complete parts (a) through (c) below. Click the icon to view the data table. (a) State the hypotheses for determining if the mean concentration of calcium precipitation has changed since 1990. Data table Ho: H = 0.12 mg/L H1: # 0.12 mg/L mg mg (b) With 90% confidence, the mean concentration of calcium in precipitation in this area in 2018 is between 0.1018 and 0.1976 0.076 0.071 0.069 0.232 0.111 0.189 0.115 0.204 0.317 0.113 (Use ascending order. Round to four decimal places as needed.) (c) Does the sample evidence suggest that calcium concentrations have changed since 1990? mg O A. No, because the confidence interval contains 0.12 Print Done (편) (편) (편) mg B. No, because the confidence interval does not contain 0.12 mg O C. Yes, because the confidence interval contains 0.12 mg O D. Yes, because the confidence interval does not contain 0.12
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