Question

You are taking a multiple choice test consisting of 16 questions with 4 choices each,

a) What type of probability distribution is needed to solve the problem? Explain.

b) What is the probability of getting an A?

c) What is the probability of getting a passing grade?

d) What is the probability of not passing (failing)?

e) What grade percentage can one expect to get from pure guessing?

Answer #1

2. You are taking a 33 question multiple choice test, each
question with 4 choices. Assume that getting 23 questions or more,
correct, will result in a passing grade on the test. Complete parts
(a), (b), and (c).
(a) If you randomly guess on a single question, what is the
probability that you will get that question correct?
(b) If you randomly guess on all 33 questions, what is the
probability that you will pass?
(c) About what number of...

A multiple choice test consisting of 10 questions. each question
has four choices. a,b,c, and d tell how you would find the
probability of guessing at least one correct answer, without the
use of binomial probability formula. what rule would your use to
simplify your solution?

Suppose that you are taking a multiple choice test (consisting
of only 4-answer-choice questions) for which you have mastered 60%
of the material. When you actually take the test, if you know the
answer of a question, then you will answer it correctly for sure;
if you do not know the answer, however, you can still guess the
answer (meaning that you will have 25% chance of getting the
correct answer). Finally, assume that your answer to each question
is...

A student takes a multiple choice test consisting of 5 questions
where there are 4 choices per question. Also, each question is
worth 20 points. Suppose the student guesses on each question. Let
X be the number of questions the student gets correct. The
probability distribution for X is given below. Find the variance of
X. Do not give units and give your answer to four decimal
places.
x
0
1
2
3
4
5
P(X=x)
0.2373
0.3955
0.2637
0.0879...

On Excel, A multiple choice test has 30
problems, and 4 choices for each problem. A student taking the test
does not know the correct answer for any of the problems and
guesses each answer. What is the probability that the student will
answer at least 10 questions correctly?

A multiple-choice test consists of 20 items, each with four
choices. A student is able to eliminate one of the choices on each
question as incorrect and chooses randomly from the remaining three
choices. A passing grade is 12 items or more correct. Let X be the
number of questions the student answers correctly.
a) What is the pdf of X?
b) What is the probability that the student passes?
c)What is the E(X) & Var(X)?
d)What is the m.g.f...

When taking a 10 question multiple choice test, where each
question has 4 possible answers, it would be unusual to get or more
questions correct by guessing alone.
whole number

A
test has 5 multiple choice questions with 4 choices with one
correct answer each. if we randomly guess on each of the 5
questions, whatvis the probability that you get at least 1 question
correct?

When taking a 15 question multiple choice test, where each
question has 4 possible answers, it would be unusual to
get or more questions correct by guessing alone.
Give your answer in the box above as a whole
number.

If an individual is taking a 20 question multiple choice test,
and they guess on each question, making the probability of getting
any one question correct is 25%.
What is the expected number of questions out of those 20 that an
individual gets correct, and what is the variance?
What is the probability of getting exactly 8 questions
correct?
What is the probability of getting at least one question correct
i.e.

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