Calcium is an essential nutrient for strong bones and for controlling blood pressure and heart beat. Because most of the body's calcium is stored in bones and teeth, the body withdraws the calcium it needs from the bones. Over time, if more calcium is taken out of the bones than is put in, the result may be thin, weak bones. This is especially important for women who are often recommended a calcium supplement. A consumer group activist assumes that calcium content in two popular supplements are normally distributed with the same unknown population variance, and uses the following information obtained under independent sampling: Supplement 1 Supplement 2 x1 = 1,049 mg x2 = 1,053 mg s1 = 16 mg s2 = 11 mg ni = 13 n2 = 16 Let uj and u2 denote the corresponding population means. Construct a 95% confidence interval for the difference u1 - u2. (Round the interval to two decimal places.)
Calcium is an essential nutrient for strong bones and for controlling blood pressure and heart beat. Because most of the body's calcium is stored in bones and teeth, the body withdraws the calcium it needs from the bones. Over time, if more calcium is taken out of the bones than is put in, the result may be thin, weak bones. This is especially important for women who are often recommended a calcium supplement. A consumer group activist assumes that calcium content in two popular supplements are normally distributed with the same unknown population variance, and uses the following information obtained under independent sampling: Supplement 1 Supplement 2 x1 = 1,049 mg x2 = 1,053 mg s1 = 16 mg s2 = 11 mg ni = 13 n2 = 16 Let uj and u2 denote the corresponding population means. Construct a 95% confidence interval for the difference u1 - u2. (Round the interval to two decimal places.)
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter11: Systems Of Equations
Section11.CT: Test
Problem 24CT
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Transcribed Image Text:Calcium is an essential nutrient for strong bones and for controlling blood pressure and heart beat. Because most of the body's calcium is stored in
bones and teeth, the body withdraws the calcium it needs from the bones. Over time, if more calcium is taken out of the bones than is put in, the result
may be thin, weak bones. This is especially important for women who are often recommended a calcium supplement. A consumer group activist
assumes that calcium content in two popular supplements are normally distributed with the same unknown population variance, and uses the following
information obtained under independent sampling:
Supplement 1
Supplement 2
= 1,049 mg
x2 = 1,053 mg
s1 = 16 mg
s2 = 11 mg
nj = 13
n2 = 16
Let uj and u2 denote the corresponding population means. Construct a 95% confidence interval for the difference pu1 – u2. (Round the interval to
two decimal places.)
![Multiple Choice
(-51.4416, 4.5584)
(-54.3037, 5.2977]
(-52.0916, -3.9084)
(-14.2982, 6.2982]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc82dccc-d4a1-496c-bc5a-0472ca900b83%2F982fc8a9-c1cf-4db2-9157-8ce33313f7b6%2Fte11v8m_processed.png&w=3840&q=75)
Transcribed Image Text:Multiple Choice
(-51.4416, 4.5584)
(-54.3037, 5.2977]
(-52.0916, -3.9084)
(-14.2982, 6.2982]
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