An Automatic Machine Inserts Mixed Vegetables into a Plastic Bag

question 49

Multiple Choice

An automatic machine inserts mixed vegetables into a plastic bag. Past experience revealed that some packages were underweight and some were overweight,but most of them had satisfactory weight. What is the probability of selecting three packages that are satisfactory?

• A)0.900
• B)0.810
• C)0.729
• D)0.075

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Definitions:

Otolith Organs

Structures in the vestibular system that detect linear accelerations of the head and contribute to the sensation of gravity and motion.

Touch Receptors

Sensory nerve endings in the skin that respond to tactile stimuli, allowing the sensation of touch.

Cutaneous Sense

The sensory system related to the skin, involving perception of touch, pressure, temperature, and pain.

Olfactory

Pertains to the sense of smell.