Question 736284
Number of claims 0 1 2 3 4
proportion of policies 0.91 0.07 0.012 0.006 0.002 
what is the probability that a policy chosen at random will have at least one claim against it?
-----
P(at least one) = 1 - P(no claims) = 1 - 0.91 = 0.09 or 9%
==================
Cheers,
Stan H.