A Researcher Wants to Estimate the Proportion of Manufacturing Companies

question 5

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 0.698

---

Definitions:

Diversity

The inclusion of individuals with a variety of characteristics, such as cultural background, race, gender, age, and abilities.

Talents

Natural aptitudes or skills possessed by individuals, which can be developed through practice and commitment to excellence in various fields.

Perspectives

The particular attitudes towards or ways of regarding something; a point of view.

Appreciate

To recognize the value or significance of something or someone, often leading to gratitude or positive recognition.