Arandom sample of 50 consumers taste tested a new snack food. their responses were coded (0: do not like; 1: like, 2: indifferent) and recorded below: a. test h0: p = 0.5 against ha: p > 0.5, where p is the proportion of customers who do not like the snack food (n=17). use α = 0.10. b. find the observed significance level of your test.