RDP 2015-10: The Life of Australian Banknotes Equation (1)

S ( t ) = P ( T > t ) . MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4uamaabm aabaGaamiDaaGaayjkaiaawMcaaiabg2da9iaadcfadaqadaqaaiaa dsfacqGH+aGpcaWG0baacaGLOaGaayzkaaGaaiOlaaaa@4040@