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In a recent news report, a study said that it found that 56% of all
university business students had cheated in someway. This compares to
another study showing that 53% of all univeristy students had cheated.
Suppose that at a particular university, business students are 20% of the
studnets enrolled.
a)what is the probability student chosen at random is a non business
student and has cheated.

b)What is the probability that is a student chosen at random is a business
student or has cheated?

2007-06-11 22:49:53 · 1 answers · asked by Secret 2 in Science & Mathematics Mathematics

1 answers

a) 53% of 80% or 42.4% are non-business students who have cheated.
56% of 20% or 11.2% are business students who cheat
b) 53% + 20% - 11.2% = 61.8% are business students or have cheated.

2007-06-11 23:19:30 · answer #1 · answered by Helmut 7 · 0 0

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