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rewona [7]
3 years ago
11

A five-question quiz is taken in which the first and second questions have four answer choices, the third and fourth questions h

ave three answer choices, and the last question has five answer choices. If a student randomly marks an answer for each question, what is the expected number of questions he will answer correctly?
Mathematics
2 answers:
Andrej [43]3 years ago
5 0

Answer:

1.37

Step-by-step explanation:

pychu [463]3 years ago
3 0

Answer: choice a 1.37 is the awnser

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

If Laura walked 612 laps in 2 hours then if you divide 2 by 2 then it will give you 1, which is 1 hour. This means that if you divide 612 by 2, it should give you the answer of 306, the amount of laps in 1 hour. I hope this helps!

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