The average u. s. household has $178,600 in life insurance. the standard deviation is $25,500. a local insurance agent would like to see how households in his city compare to the national average, and selects a simple random sample of 30 households from the city. for the households in the city, the average amount of life insurance is $188,800. a. based on the sample results, construct a 95% confidence interval for the true average amount of life insurance for households in the city. b. test the h0 : $178,600 ? ? to determine if the city's sample average is significantly different from the u. s. average amount of life insurance per household. use the conventional levels of significance.

Mystic bottling company bottles popular beverages in the bottling department. the beverages are produced by blending concentrate with water and sugar. the concentrate is purchased from a concentrate producer. the concentrate producer sets higher prices for the more popular concentrate flavors. a simplified bottling department cost of production report separating the cost of bottling the four flavors follows:

1. how much money did selfridge spend on advertising before the store’s opening? 2. explain what shopping was like in london during the early 1900s. how does this differ from the modern shopping experience? 3. what was the role of a floorwalker in 1900s london? 4. what inspired selfridge to ensure that customers in his store could browse at their leisure? do you need the links to the video?

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.