Solve the Problem. -On a Multiple Choice Test with 11 Questions, Each Question

question 38

Multiple Choice

Solve the problem.
-On a multiple choice test with 11 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the number of correct answers.

• A)1.407
• B)1.342
• C)1.369
• D)1.436

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Definitions:

Acquired Adaptation

The process of developing new characteristics or abilities in response to changes in the environment after birth, not through genetic inheritance.

Mental Representation

The internal depiction of information in the mind, such as images, words, or concepts.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, a concept that develops in infancy.

Conservation

In cognitive development, the understanding that certain properties of objects remain the same, despite changes in the object's appearance.