Question

The question on a multiple choice test each have 4 answer choices. Describe a model that you could use to simulate the outcome of guessing the correct answers to a 50 question test?

Answer 1

it's binary ... correct or incorrect

P(correct) = 1/4
... P(incorrect) = 3/4

(c + i)^50

.25^50 + 50 .25^49 .75^1
+ 1225 .25^48 .75^2 ...
+ 1225 .25^2 .75^48 + 50 .25 .75^49
+ .75^50

this is the expected outcomes

for a simulation you could roll a 4-sided die (tetrahedron)
or flip 2 coins
anything with 4 random outcomes

Answer 2

The question on a multiple choice test each have 3 answer choices. Describe a model that could use to simulate the outcome of guessing the answer to 25 question test

Answer 3

I don’t know I need heop

Answer 4

1. A
2. D
3. B
4. D
5. C
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