Chapter 5 - Section 5.2 - Assess Your Understanding - Vocabulary and Skill Building - Page 276: 24

$P(not$ $Top-Flite)=0.85$

$N(Titleist)=9$, $N(Maxfli)=8$ and $N(Top-Flite)=3$ Let S be the sample space. $N(S)=N(Titleist)+N(Maxfli)+N(Top-Flite)=9+8+3=20$ $P(Top-Flite)=\frac{N(Top-Flite)}{N(S)}=\frac{3}{20}=0.15$ $P(not$ $Top-Flite)=1-P(Top-Flite)=1-0.15=0.85$