Question 1186997
this is a Poisson distribution with number proportional to time, no upper bound.
the probability for 8 is e^(-3.2)*3.2^8/8=0.0111
for 9 it is e^(-3.2)*3.2^9/9!=0.0039
for 10 it iii 0.0013
for 11 it is 0.0004
on the calculator, use 1-poisssoncdf(3.2, 7) ENTER. The 1- tells the calculator you want everything to the right, not left, and the arguments are the Poisson parameter and the last value you don't want to count, in this case 7.

=0.0168