Colin Was Involved in an Accident That Damaged His Left

question 7

Multiple Choice

Colin was involved in an accident that damaged his left eardrum.Though the injury reduced his ear's capacity to transmit vibrations,a hearing aid greatly improves his ability to hear.Colin has ___________________ deafness.

• A) conduction
• B) nerve
• C) vibration
• D) pitch

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Definitions:

Cluster Sampling

A sampling method where the population is divided into clusters, and a random sample of these clusters is selected for study.

Probability Sampling

A sampling method where each member of the population has a known, non-zero probability of being selected in the sample.

Sample Proportion

The fraction or percentage of the sample that possesses a certain property or characteristic.

Probability

An indicator of the probability or risk that a certain event will happen, represented by a numerical value ranging from 0 to 1.