Tatiana wonders if the same proportion of teens and adults check social media at least once per day. she wants to obtain a random sample of people from each group to test if there is a significant difference between the proportion of teens and adults that check social media at least once per day. which of the following is an appropriate set of hypotheses for tatiana's significance test? choose 1 answer:
a. H₀ : PT- PA =0
Hₐ : PT- PA <0
b. H₀ : PA- Pt =0
Hₐ : PA- PT <0
c. H₀ : PT- PA =0
Hₐ : PT- PA ≠0
d. H₀ : PA- Pt ≠0
Hₐ : PA- PT <0