6. A shooter has a probability of 0.29 to hit 10 points in one shot, and a probability of 0.41 to hit 9 points. Find the probability that the shooter scores less than 9 points in one shot.
$\begin{array}{l}\text { (Answer: } \mathrm{P}=1-0.29-0.41 \\ =0.30 \text { ) }\end{array}$