100 points
assignment: scale investigation
part 1 each of the orange triangles above is a dilation of one of the green triangles.
match each triangle to its corresponding similar green triangle and scale factor:

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable