The probability distribution histogram shows the age distribution of giraffes at a zoo.

Hey Stark.... see this    

https://web2.0calc.com/questions/math_6717#r1

No histogram is shown, stark...

when it says P(4, why does it stop? was there more? also, what does P(4) even mean? 

oh yea, i looked at that already, it was a repost of something already solved