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13 September, 00:53

According to the table what is the probability that the grade of a student chosen at random will be a B or higher 4/5 2/5 1/5 3/5

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  1. 13 September, 02:07
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    50%, add up the percentages 80%, 40%, 20%, 60%=200. divide that by the numer of grades = 4. 200/4=50
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