For a Particular Diamond Mine, 80% of the Diamonds Fail

question 42

Multiple Choice

For a particular diamond mine, 80% of the diamonds fail to qualify as "gemstone grade". A random sample of 94 diamonds is analyzed. Find the probability that the proportion of the sample diamonds That fail to qualify as gemstone grade is between 0.76 and 0.83.

• A) 0.6013
• B) 0.1660
• C) 0.8340
• D) 0.7673

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Definitions:

Interspinalis

A group of small muscles located between the spinous processes of the vertebrae, contributing to the spine's stability and extension.

Extend the Vertebral Column

The action of increasing the angle between the bones of the spine, essentially straightening it from a bent position.

Spinalis Thoracis

A muscle in the back that helps extend the vertebral column and maintain an upright posture.

Longissimus Thoracis

A major muscle in the back part of the spinal erector group that helps in extending and laterally flexing the spine.