In a clinical? trial, 2020 out of 700700 patients taking a prescription drug complained of flulike symptoms. Suppose that it is known that 2.12.1?% of patients taking competing drugs complain of flulike symptoms. Is there sufficient evidence to conclude that more than 2.12.1?% of this? drug's users experience flulike symptoms as a side effect at the alpha equals 0.1α=0.1 level of? significance? What are the null and alternative? hypotheses?