One of your distributors reports an average of 150 sales per day. you suspect that this average is not accurate, so you randomly select 35 days and determine the number of sales each day. the sample mean is 143 daily sales with a standard deviation of 15 sales. at ? = 0.01, is there enough evidence to doubt the distributor’s reported average? step 1. state the null and alternate hypothesis. step 2. identify the test as left-tailed, right-tailed or two tailed test. step 3. identify the significant level, ? step 4. determine the critical value(s)step 5. identify the rejection and non-rejection region(s)step 6. compute the test statistic (test value)step 7. make the decisionstep 8. interpret the decision.

Oceanside marine company manufactures special metallic materials and decorative fittings for luxury yachts that require highly skilled labor. oceanside uses standard costs to prepare its flexible budget. for the first quarter of the year, direct materials and direct labor standards for one of their popular products were as follows: direct materials: 2 pound per unit; $ 11 per pound direct labor: 2 hours per unit; $ 19 per hour oceanside produced 2 comma 000 units during the quarter. at the end of the quarter, an examination of the direct materials records showed that the company used 7 comma 500 pounds of direct materials and actual total materials costs were $ 98 comma 100. what is the direct materials cost variance? (round any intermediate calculations to the nearest cent, and your final answer to the nearest dollar.)

Ummit record company is negotiating with two banks for a $157,000 loan. fidelity bank requires a compensating balance of 24 percent, discounts the loan, and wants to be paid back in four quarterly payments. southwest bank requires a compensating balance of 12 percent, does not discount the loan, but wants to be paid back in 12 monthly installments. the stated rate for both banks is 9 percent. compensating balances will be subtracted from the $157,000 in determining the available funds in part a. a-1. calculate the effective interest rate for fidelity bank and southwest bank. (do not round intermediate calculations. input your answers as a percent rounded to 2 decimal places.) a-2. which loan should summit accept? southwest bank fidelity bank b. recompute the effective cost of interest, assuming that summit ordinarily maintains $37,680 at each bank in deposits that will serve as compensating balances

Any point on a country's production possibilities frontier represents a combination of two goods that an economy: