In 1944, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you on occasion consume, alcoholic beverages?" Of the 1100 adults surveyed, 418 indicated that they were total abstainers. In a recent survey, the same question was asked of 1100 adults and 374 indicated that they were total abstainers. a) Determine the sample proportion for each sample.
b) Has the proportion of adults who totally abstain from alcohol changed? Use the α = 0.01 level of significance.
c) Find the test statistic and the P-value.
d) Interpret the P-value.

Benning manufacturing company is negotiating with a customer for the lease of a large machine manufactured by benning. the machine has a cash price of $980,000. benning wants to be reimbursed for financing the machine at a 9% annual interest rate. (fv of $1, pv of $1, fva of $1, pva of $1, fvad of $1 and pvad of $1) (use appropriate factor(s) from the tables provided.) required: 1. determine the required lease payment if the lease agreement calls for 10 equal annual payments beginning immediately. 2. determine the required lease payment if the first of 10 annual payments will be made one year from the date of the agreement. 3. determine the required lease payment if the first of 10 annual payments will be made immediately and benning will be able to sell the machine to another customer for $68,000 at the end of the 10-year lease.