SOLUTION: An objective test contains 10 questions. Each question has 5 options of which one is the correct answer. Find the probability that a candidate who guesses gets:
(a) half of the qu
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Question 1210447: An objective test contains 10 questions. Each question has 5 options of which one is the correct answer. Find the probability that a candidate who guesses gets:
(a) half of the questions correct;
(b) no question correct
(c) at least one question correct
(d) at most four questions correct
Answer by ikleyn(53354) (Show Source): You can put this solution on YOUR website!
.
My dear writer, your writing immediately shows that it is written by unprofessional amateur in a hurry,
without thinking. Indeed, no one professional writer will write
(a) half of the questions correct;
(b) no question correct
(c) at least one question correct
(d) at most four questions correct.
Professional writer will write
(a) half of the answers are correct;
(b) no answer correct
(c) at least one answer is correct
(d) at most four answers are correct.
Don't forget to thank me for my teaching and attentive reading and correcting your compositions.
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