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Mathematics for Computer Science

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“mcs” — 2017/3/3 — 11:21 — page 804 — #812<br />

804<br />

Chapter 19<br />

Random Variables<br />

PDF T .x/<br />

6=36<br />

3=36<br />

2 3 4 5 6 7 8 9 10 11 12<br />

x 2 V<br />

Figure 19.1<br />

The probability density function <strong>for</strong> the sum of two 6-sided dice.<br />

CDF T .x/<br />

1<br />

1=2<br />

: : :<br />

0<br />

0 1 2 3 4 5 6 7 8 9 10 11 12<br />

x 2 V<br />

Figure 19.2<br />

The cumulative distribution function <strong>for</strong> the sum of two 6-sided dice.

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