Question

For (a) and (b), is the statement a null hypothesis or an alternative hypothesis? a. The proportion of adults who favor legalized gambling equals 0.50. b. The proportion of all college students who are regular smokers is less than 0.27, the value it was ten years ago. c. Introducing notation for a parameter, state the hypotheses in (a) and (b) in terms of the parameter values. a. Is the statement in part (a) the null or alternative hypothesis? Altenative hypothesis O Null hypothesis b. Is the statement in part (b) the null or altermative hypothesis? Altemative hypothesis O Null hypothesis c. Choose the correct null and altemative hypotheses for part (a). O A. OB. Oc. Ho: P>0.50 Ho: P0.50 Ho: P=0.50 H: p=0.50 Hp=0.50 H:p<0.50 OD. OE. OF. H:p<0.50 Ho: P=0.50 Hg: p=0.50 H: p=0.50 H:p-0.50 H:Pr0.50 Choose the correct null and altenative hypotheses for part (b). OA. OB. OC. Hạ: p0.27 Ho: p=0.27 Ho: p>0.27 H:P>0.27 H:p=0.27 LZ0 >d;"H OD. OE. OF. H: p<0.27 Hp=0.27 H: pH0.27 Họ: P=027 H:p=0.27 H: p4027