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MM207-06 Unit 6 Project_A+
- From Chemistry, General Chemistry
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Section 6.1: Confidence Intervals for the Mean (Large Samples)
- Find the critical value zc necessary to form a confidence interval at the given level of confidence. (References: definition for level of confidence page 311, end of section exercises 5 – 8 page 317) (2.5 points each)
a. 90%
½ (1-.90) = 0.05 = 1.645
b. 80%
½ (1-.80) = 0.10 = 1.28
- The new Twinkle bulb has a standard deviation hours. A random sample of 50 light bulbs is selected from inventory. The sample mean was found to be 550 hours.
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[Solved] MM207-06 Unit 6 Project_A+
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- Submitted On 23 Oct, 2016 05:37:39
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- Homeworkmerit
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Total points are 40. Points are included with each problem.
Included with each section or problem are reference examples and end of section exercises that can be used as a guide. Be sure to show your work in...
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