A Research Firm Needs to Estimate Within 3% the Proportion

question 39

Multiple Choice

A research firm needs to estimate within 3% the proportion of junior executives leaving large manufacturing companies within three years. A 0.95 degree of confidence is to be used. Several years ago,a study revealed that 21% of junior executives left their company within three years. To update this study,how many junior executives should be surveyed?

• A)594
• B)612
• C)709
• D)897

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Definitions:

Agreeableness

Refers to the tendency of an individual to be pleasant, accommodating, and willing to avoid conflict in their interactions with others.

Extraverted

Describes individuals who are outgoing, socially confident, and derive energy from interacting with others.

Epigenetics

the study of heritable changes in gene expression that occur without altering the DNA sequence, influenced by environmental factors and life experiences.

Nonshared Environments

Aspects of the environment that are not shared between siblings, contributing to differences in their development and personality.