What Two Dollar Amounts, Equidistant from the Mean of $30

question 79

Short Answer

What two dollar amounts, equidistant from the mean of $30, such that 98% of all customer purchases are between these values?

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Definitions:

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and circulatory and excretory systems.

Germinal Period

The initial two weeks of prenatal development after conception, characterized by rapid cell division and the beginning of cell differentiation.

Blastocyst

An early stage of embryonic development that consists of a sphere of cells surrounding a fluid-filled cavity.

Embryo

The early stage of development in multicellular organisms, in humans this phase extends from the second to the eighth week of gestation.