Help me please?
The question: A student is taking a multiple-choice test that has 60 questions. Each question has four answer choices. If the student guesses randomly on every question, how many questions should the student expect to answer correctly?
A: 20
B: 25
C: 30
D: 15
The question: A student is taking a multiple-choice test that has 60 questions. Each question has four answer choices. If the student guesses randomly on every question, how many questions should the student expect to answer correctly?
A: 20
B: 25
C: 30
D: 15
1 Answer
Mar 12, 2018
Option
Explanation:
It is clear that the student has a 1/4 chance of getting a problem correct. Since there are 60 questions, we can expect them to get
Therefore, option d is correct.
Hopefully this helps!
