You Need to Determine the Population Variance of the Diameters

question 87

Multiple Choice

You need to determine the population variance of the diameters of a specialized electronic component you need to use for a new product.Other studies indicate that the diameters of this product are roughly normally distributed.You take a sample of 15 units and find out that the sample average diameter is 0.24 mm,and the sample standard deviation is 0.2 mm.What is the 95% confidence interval for the population variance?

• A) 0.0215 to 0.0995
• B) 0.0230 to 0.1066
• C) 0.1466 to 0.3154
• D) 0.1666 to 0.3354
• E) 0.1866 to 0.3554

Determine structural isomers of organic compounds based on reaction outcomes.

Predict major and minor products in chemical reactions.

Apply knowledge of chemical reactions to propose synthetic pathways.

Understand the central limit theorem and its implications for the distribution of sample means.

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