A Sample of 500 Evening Students Revealed That Their Annual

question 141

Multiple Choice

A sample of 500 evening students revealed that their annual incomes from employment in industry during the day were normally distributed with a mean income of $30,000 and a standard deviation of $3,000. (i) 250 students earned more than $30,000.
(ii. 341 students earned between $27,000 and $33,000.
(iii) 239 students earned between $24,000 and $30,000.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (ii) and (iii) are correct statements but not (i).

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Definitions:

Performance Strategy

refers to a plan of action aimed at enhancing the efficiency and effectiveness of an individual, team, or organization.

Ample Resources

refers to having a sufficient or generous amount of resources available, including financial, material, and human, to achieve desired goals or objectives.

Intra-team Trust

The degree of confidence among team members that their peers will act in the team's interest and fulfill their responsibilities.

Specialized Member Skills

Specific abilities and expertise possessed by individuals within a team or organization that contribute to achieving complex tasks or objectives.