An Elementary School Teacher Learned That 40 Percent of School

question 95

Short Answer

An elementary school teacher learned that 40 percent of school age children have at least 3 cavities.The teacher has 30 students in his class.What is the standard deviation for the number of school age children that have at least 3 cavities?

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Definitions:

Unanimous Vote

A voting outcome where all members of a decision-making body agree and vote the same way on a proposal.

Majority Vote

A decision-making process where more than half of the members of a group must agree on a proposition for it to be accepted or passed.

Partnership Decision

A determination made by partners in a business regarding its management, operations, or other significant aspects affecting the partnership.

Partnership by Estoppel

A legal doctrine that treats a non-partner as if they were an actual partner due to their actions towards third parties.