If the diameter X of axles has the density f x k if 24975

If the diameter X of axles has the density f (x)= k if 249.75 <= x <= 250.25and 0
otherwise, how many defectives will a lot of 600 axles approximately contain if
defectives are slimmer than 249.50 or thicker than 250.50?

Solution

Statistically zero. because probability is zero for these diameters. But it is probablity model so there may be some of these diameters.Hence the word statistically is used