Mathematics, 30.11.2020 18:10 abby186

21% of the students at a High are in Maths group, 15 % are in science group, and 6 % are in both. If a student is selected randomly , what is the probability that the student is in maths or science group?

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21% of the students at a High are in Maths group, 15 % are in science group, and 6 % are in both. If...