In a Manufacturing Process a Random Sample of 9 Bolts

question 107

Multiple Choice

In a manufacturing process a random sample of 9 bolts manufactured has a mean length of 3 inches with a standard deviation of .3 inches.What is the 95% confidence interval for the true mean length of the bolt?

• A)2.804 to 3.196
• B)2.308 to 3.692
• C)2.770 to 3.231
• D)2.412 to 3.588
• E)2.814 to 3.186

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Definitions:

Small Farmers

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The political scene and activities within South Africa, characterized by its transition from apartheid to a democratic system.

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A system of institutionalized racial segregation and discrimination in South Africa between 1948 and the early 1990s.