I would more detail so I can better answer your question for you
Answer: Null hypothesis :
Alternative hypothesis : 
Step-by-step explanation:
Given claim : The proportion of U.S. adults age 25 or older who smoke : 
A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree. i.e. 
Since the null hypothesis is a fact checked by the researcher or the experimenter that always contains a equals to sign.
∴ Null hypothesis :
Alternative hypothesis : 
Answer:
I think it's B I hope this is the right answer.
Answer:70
Step-by-step explanation: