On a Multiple Choice Test with 15 Questions,each Question Has

question 1

Multiple Choice

On a multiple choice test with 15 questions,each question has four possible answers,one of which is correct.For students who guess at all answers,find the standard deviation of the number of correct answers.

• A)1.62
• B)1.643
• C)1.587
• D)1.875
• E)1.677

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Definitions:

Legitimate

Describes something that is lawful, permissible, and recognized as valid or justified within a specific context.

Blood Type A

A blood group in the ABO blood typing system, characterized by the presence of the A antigen on the surface of red blood cells.

Joint Frequency Distribution

a table showing the frequency of two or more variables occurring together in a set of observations.

Female

Referring to the sex of an organism, or part of an organism, which is characteristic of producing non-mobile ova (egg cells) and typically possessing XX chromosomes in mammals.