mothers smoked more than 21 cigarettes during their pregnancy Ar obstetrician believes that the percentage of mothers who smoke 21 cigarettes or more 4 today She randomly selects 120 pregnant mothers and finds that 2 of them smoke more cigarettes during pregnancy Test the researcher s statement at the a 0 05 leve significance une revalo Round to one decimal place as needed Find the P value P value Round to three decimal places as needed Is there sufficient evidence to support the obstetrician s statement