For (a) and (b), is the statement a null hypothesis or an alternative hypothesis?
a. The proportion of adults who favor legalized gambling equals 0.60.
b. The proportion of all college students who are regular smokers is less than 0.28, 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.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.