Question

Ansigned Media Question Help Previously. 396 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 115 pregnant mothers and finds that 2 of them smoked 21 or more cigarettes during pregnancy Test the researcher's statement at the e=0.05 level of significance. What are the null and alternative hypotheses? Ho: P = 0.03 versus H, P < 0.03 (Type integers or decimals. Do not round.) Because npo (1-P) = V10, the normal model (Round to one decimal place as needed) be used to approximate the P-value. Enter your answer in the answer box and then click Check Answer parts

Answer 1

np0(1-p0)

115*0.03*0.97

3.3465 <10, the normal model cannot be used to approximate the P value.

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