Previously, 3% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that the percentage of mothers who smoke 21 cigarettes or more is less than 3% today. She randomly selects 120 pregnant mothers and finds that 2 of them smoked 21 or more cigarettes during pregnancy. Test the researcher's statement at the a = 0.05 level of significance. What are the null and alternative hypotheses? Ho: p = 03 versus H1: p <.03 integers or decimals. do not round. because npo po the normal model may be used to approximate p-value. one decimal place as needed. find p-value="(Round" three places>