**TI83F* Created by TI-Smartview CE 5.4.0.1858 C1COMMPYCD&01_Indice_Tlespe_Bac_SujetCommente.pydef nombre_tirages(): k=1 p=1-(5/6)**k while p<=0.9: k=k+1 p=1-(5/6)**k return(k)-