1.
2. a.
H0: Pu=0.095 (sample proportion of American suffering from depression or depressive illness is same as that of population proportion).
H1: Pu < 0.095 (sample proportion of American suffering from depression or depressive illness is lower than that of population proportion).
b. Since alternative hypothesis tests whether true proportion of people suffering from depression or depressive illness is lower than that of American adults in general, the test is one-tailed (left) one.
Ala ako mahanap sa 7 and 8 sensya na po