Richard has just been given a 10-question multiple-choice quiz in his psychology class
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Richard has just been given a 10-question multiple-choice quiz in his psychology class. Each question has five answers, of which only one is correct. Since he has not attended class recently, he doesn’t know any of the answers.
a. What makes up a trial?
b. What is a success?
c. What is a failure?
d. What are the values of n, p, and q?
Assuming Richard guesses on all 10 questions, find the indicated probabilities.
e. What is the probability that he will answer all 10 correctly.
f. What is the probability that he will answer all 10 incorrectly.
g. What is the probability that he will answer at least one of the questions correctly.
h. What is the probability that he will get at most 3 correct?
i. What is the average number(expected value) of questions Richard will answer correctly
j. What is the standard deviation?
[Solved] Richard has just been given a 10-question multiple-choice quiz in his psychology class
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- Submitted On 26 Jul, 2020 06:28:31
- Beam777
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Richard has just been given a 10-question multiple-choice quiz in his psychology class
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