Gamma distribution with expectation u = 12 years and standard deviation o = 4. What is the probability that P( 4

Extracted text: Gamma distribution with expectation u = 12 years and standard deviation o = 4. What is the probability that P( 4<><12)? for="" calculation="" of=""><><12) we="" will="" use="" gamma-poisson="" formula.=""><><12)= ft(12)-fr(4)="" for="" table="" a3="" for="" poisson="" variable="" x="" with="" parameter="(Hint:" do="" not="" use="" directly="" x)="" fr(12)=""><12)= for="" table="" a3="" for="" poisson="" variable="" x="" with="" parameter="(Hint:" do="" not="" use="" directly="" x)="" fr(4)=""><4)=><><12)= fr(12)-ft(4)="">