A Researcher Wants to Estimate the Proportion of Manufacturing Companies

question 86

Multiple Choice

A researcher wants to estimate the proportion of manufacturing companies that use the six sigma method.For this purpose,she takes a random sample of 50 manufacturing companies and finds out that 28 of them employ this method.The 95% confidence interval for the proportion of manufacturing companies that use six sigma is ______.

• A) 0.462 to 0.628
• B) 0.452 to 0.638
• C) 0.442 to 0.648
• D) 0.432 to 0.658
• E) 0.422 to 0.668

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Definitions:

Comma Splice

A grammatical error involving the incorrect use of a comma to join two independent clauses without a coordinating conjunction.

Dangling Modifier

A word or phrase that modifies a word not clearly stated in the sentence, often leading to confusing or illogical sentences.

Clauses Separation

The practice of distinctly dividing sections of a sentence, contract, or legal document with punctuation or formatting to enhance readability and understanding.

Direct Approach

A method of communication where the main point or message is presented straight away at the beginning.