100 students were asked whether they preferred soccer or cricket

MATHEMATICS · Multi-part · AP · AP Statistics · Exploring Two-Variable Data · Exploring Two-Variable Data

Problem

100 students were asked whether they preferred soccer or cricket. They were also asked if they prefer mathematics or art. The results are summarized below:
SoccerCricket
Mathematics4020
Art30xx
(a) Find the value of xx . (b) Find the probability that a randomly chosen student prefers mathematics to art.

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