Find the Sample Size

question 20

Multiple Choice

Find the sample size.
-Grandma Gertrude's Chocolates, a family owned business, has an opportunity to
Supply its product for distribution through a large coffee house chain. However, the
Coffee house chain has certain specifications regarding cacao content as it wishes to
Advertise the health benefits (antioxidants) of the chocolate products it sells. Past data
Indicate a standard deviation of 4%. If quality control inspectors wish to estimate the %
Cacao to within 1% of the true mean with 95% confidence, how many pieces of
Chocolate should they sample?

• A) 29
• B) 62
• C) 54
• D) 89
• E) 36

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Definitions:

Vision

The ability to see or the faculty of sight; it can also refer to the capacity to envisage future developments and work towards them.

Information Processing

Involves the analysis and manipulation of incoming information by the brain, similar to how computers handle data.

Sensation

The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment, giving rise to our experiences of sight, sound, taste, touch, and smell.

Perception

The process by which individuals organize and interpret their sensory impressions to give meaning to their environment.