The Weekly Mean Income of a Group of Executives Is

question 49

Multiple Choice

The weekly mean income of a group of executives is $1,000 and the standard deviation of this group is $100. The distribution is normal. What percent of the executives have an income of $925 or less?

• A)About 15%
• B)About 85%
• C)About 50%
• D)About 23%

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Definitions:

Underground Stem

A type of stem that grows horizontally below the soil surface, such as a tuber or rhizome, playing a crucial role in vegetative reproduction.

Corm

A swollen underground stem or base serving as a storage organ, used by some plants to survive winter or drought conditions.

Underground Stem

A type of stem that grows below the surface of the soil, helping in vegetative reproduction and nutrient storage, as seen in tubers and rhizomes.

Phloem

The vascular tissue in plants responsible for the transport of nutrients and carbohydrates produced by photosynthesis.