TABLE 10-11 a Corporation Randomly Selects 150 Salespeople and Finds That

question 137

Multiple Choice

TABLE 10-11
A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self-improvement course would like such a course. The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course. The groups are assumed to be independent random samples. Let ×and × represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study, respectively.
-Referring to Table 10-11, what is/are the critical value(s) when testing whether population proportions are different if ? = 0.10?

• A) -1.96
• B) ±1.645
• C) ±2.08
• D) ±1.96

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Definitions:

Muscle Endurance

The ability of a muscle or muscle group to repeatedly exert force against resistance over an extended period.

Cardiovascular Fitness

The ability of the heart, blood cells, and lungs to supply oxygen-rich blood to working muscle tissues and the ability of those tissues to use oxygen to produce energy for movement.

Dynamic Fitness

Refers to the ability of an individual to perform movements with strength and energy in a range of motions, contributing to overall physical health.

Active

Engaging in physical or mental activities, often indicated by movement or participation in tasks or events.