<PRE><B>Question 168753</B>
A student is selected at random from a group of 200 students in which 135 take math, 85 take English and 65 take both math and English. Find the probability that the selected student takes math or English.
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P(M or E)= P(M) + P(E) - P(M and E)
= 135/200 + 85/200 - 65/200

= (135 + 85 - 65)/200

=  155/200

= 0.775
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Cheers,
Stan H.</PRE>