A Survey of Shoppers Is Planned to See What Percentage

question 48

Multiple Choice

A survey of shoppers is planned to see what percentage use credit cards.Prior surveys suggest 56% of shoppers use credit cards.How many randomly selected shoppers must we survey in order to estimate the proportion of shoppers who use credit cards to within 1% with 95% confidence?

• A)6664
• B)8519
• C)9466
• D)16,338
• E)21,513

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Definitions:

Moveable Bone

A moveable bone refers to any bone in the body that is capable of movement or articulation at a joint with another bone.

Fixator

A muscle that stabilizes the origin of another muscle to enable effective movement.

Origin

The point or place where something begins or is derived, or in anatomy, the fixed attachment point of a muscle.

Quadratus Lumborum

A muscle in the lower back that helps to stabilize the lumbar spine and aids in lateral flexion of the torso.