A Set of Final Examination Grades in a Calculus Course

question 105

Multiple Choice

A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9. What proportion of students scored between 81 and 89?

• A) .0668
• B) .0132
• C) .0781
• D) .0529

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Definitions:

Statute of Frauds

A rule of law mandating that specific contract categories must be documented and signed by the involved parties to have legal validity.

Writing Requirement

The legal principle that certain contracts or agreements must be documented in written form to be legally binding.

Statute of Frauds

A legal principle that requires certain types of contracts to be executed in writing and signed by all parties involved in order to be enforceable.

Promissory Estoppel

A legal principle that prevents a party from withdrawing a promise made to another party if the latter has reasonably relied on that promise to their detriment.