Calcule los valores de t para los que el área en la cola derecha de la distribución t sea 0.01, si el número de grados de libertad v es igual a a) 4, b) 12, c) 25, d) 60, e) 150.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.