A Very Short Quiz Has One Multiple Choice Question with Five

question 74

Short Answer

A very short quiz has one multiple choice question with five possible choices (a, b, c, d, e) and one true or false question. Assume you are taking the quiz but do not have any idea what the correct answer is to either question, but you mark an answer anyway.
a.What is the probability that you have given the correct answer to both questions?
b.What is the probability that only one of the two answers is correct?
c.What is the probability that neither answer is correct?
d.What is the probability that only your answer to the multiple choice question is correct?
e.What is the probability that you have only answered the true or false question correctly?

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Definitions:

Choroiditis

Inflammation of the choroid, a vascular layer of the eye, leading to vision problems.

Cycloplegia

Paralysis of the ciliary muscle of the eye, resulting in a loss of accommodation and inability to focus on close objects.

Keratitis

Inflammation of the cornea, the clear outer layer at the front of the eye, potentially caused by infection or injury.

Blepharitis

An inflammation of the eyelid margins, often causing redness, irritation, and itchy eyelids together with dandruff-like scales on the eyelashes.