Mathematics, 20.10.2019 02:50 tytybruce2
Ralphie is taking a ten-question multiple choice test. each question has five choices. if ralphie answers a question correctly, he earns one point; if he answers incorrectly, he loses half a point. ralphie answers the first six questions correctly, then guesses on the last four. what is the expected value of his test score? round the answer to the nearest whole percent.
a. 52%
b. 60%
c. 68%
d. 80%
Answers: 3
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Ralphie is taking a ten-question multiple choice test. each question has five choices. if ralphie an...
Mathematics, 24.11.2020 22:30
Mathematics, 24.11.2020 22:30
Mathematics, 24.11.2020 22:30
Mathematics, 24.11.2020 22:30