Formulating Hypotheses. In exercises 2-5, formulate the null and alternative hypotheses fora hypothesis test. For each exercise, write both hypotheses both in statistical symbols and in everyday language. [1 point] 2) The federal government has established 15 micrograms per liter as the maximum safe level of lead in drinking water. The Iinois state department of health samples water from a large sample of residents' homes because it suspects that the water in the city of Steel is unsafe.