A Multiple-Choice Test Has 30 Questions

question 26

Multiple Choice

A multiple-choice test has 30 questions.There are 4 choices for each question.A student who has not studied for the test decides to answer all questions randomly.What type of probability distribution can be used to figure out his chance of getting at least 20 questions right?

• A)binomial distribution.
• B)Poisson distribution.
• C)Either of the above
• D)none of the above.

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Definitions:

Tendons

Connective tissue that attaches muscle to bone, allowing the body to move when muscles contract.

Cartilaginous Joints

Joints where the bones are attached by cartilage, allowing for limited movement.

Hyaline Cartilage

Hyaline Cartilage is a translucent, elastic tissue that covers the ends of bones in joint areas, reducing friction and absorbing shock during movement.

Synovial Fluid

A viscous fluid found in the cavities of synovial joints, reducing friction between articular cartilages during movement.