A student takes a multiple-choice exam with 10 questions, each with four possible selections for the answer.
Question:
a. Gets at least one question correct.
b. Passes the exam.
c. Receives an "A" on the exam (90% or better).
d. How many questions would you expect the student to get correct?
e. Obtain the standard deviation of the number of questions that the student gets correct.
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a n 10 p Pguessing right 14 025 b To pass the students needs to answ...View the full answer
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