There are 250 families residing in Scandia, Pennsylvania. A random sample of 40 of these families revealed that 15 families attend church regularly. construct the 95% confidence interval foe the proportion of families attending church regularly.​

Consider the following two stocks, a and b. stock a has an expected return of 10%, 10% standard deviation, and a beta of 1.20. stock b has an expected return of 14%, 25% standard deviation, and a beta of 1.80. the expected market rate of return is 9% and the risk-free rate is 5%. security would be considered a good buy if we include the stock in a well diversified a portfolio because a. b, it offers better alpha b. a, it offers better alpha c. a, it offers better sharpe ratio d. b, it offers better sharpe ratio

Jurvin enterprises is a manufacturing company that had no beginning inventories. a subset of the transactions that it recorded during a recent month is shown below. $76,700 in raw materials were purchased for cash. $71,400 in raw materials were used in production. of this amount, $66,300 was for direct materials and the remainder was for indirect materials. total labor wages of $151,700 were incurred and paid. of this amount, $134,300 was for direct labor and the remainder was for indirect labor. additional manufacturing overhead costs of $126,300 were incurred and paid. manufacturing overhead of $126,800 was applied to production using the company's predetermined overhead rate. all of the jobs in process at the end of the month were completed. all of the completed jobs were shipped to customers. any underapplied or overapplied overhead for the period was closed to cost of goods sold.required: 1. post the above transactions to t-accounts.2. determine the cost of goods sold for the period.

Richardson hired j.c. flood company, a plumbing contractor, to correct a stoppage in the sewer line of her house. the plumbing company's 'snake' device, used to clear the line leading to the main sewer, became caught in the underground line. to release it, the company excavated a portion of the sewer line in richardson's backyard. in the process, the company discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. to meet public regulations, the water pipe, of a type no longer approved for such service, had to be replaced either then or later, when the yard would have to be excavated again. the plumbing company proceeded to repair the water pipe. though richardson inspected the company's work daily and did not express any objection to the extra work involved in replacing the water pipe, she refused to pay any part of the total bill after the company completed the entire operation. j.c. flood company then sued richardson for the costs of labor and material it had furnished. (c) for what, if anything, should richardson be liable? explain."