A simulation of a Taco Bell restaurant was performed to compare two different queueing systems. Each system was replicated 12 times. As output from the first system, the average simulated customer time in system, or sojourn time (in minutes) for each replication was: D1 ï½ {5, 8, 7, 4, 5, 12, 14, 3, 10, 10, 2, 4}(Integers are used for simplicity) A second run of the simulation model was made using an independent stream of random numbers. Use hypothesis testing to determine whether there is a statistically significant difference between the average customer sojourn times for the two systems. The average sojourn times for the 12 replications of the second system are: D2 ï½ {10, 6, 10, 13, 10, 4, 2, 13, 6, 5, 13, 12}For simplicity, assume that the average sojourn times are drawn from normal populations with equal population variances. Please show all of your calculations and report and interpret the testâs p-value, both its magnitude and the conclusion of the test.

phillips, inc. had the following financial data for the year ended december 31, 2019. cash $ 41,000 cash equivalents 75,000 long term investments 59,000 total current liabilities 149,000 what is the cash ratio as of december 31, 2019, for phillips, inc.? (round your answer to two decimal places.)

Stella company sells only two products, product a and product b. product a product b total selling price $50 $30 variable cost per unit $20 $10 total fixed costs $2,110,000 stella sells two units of product a for each unit it sells of product b. stella faces a tax rate of 40%. stella desires a net afterminustax income of $54,000. the breakeven point in units would be

John and daphne are saving for their daughter ellen's college education. ellen just turned 10 at (t = 0), and she will be entering college 8 years from now (at t = 8). college tuition and expenses at state u. are currently $14,500 a year, but they are expected to increase at a rate of 3.5% a year. ellen should graduate in 4 years--if she takes longer or wants to go to graduate school, she will be on her own. tuition and other costs will be due at the beginning of each school year (at t = 8, 9, 10, and 11).so far, john and daphne have accumulated $15,000 in their college savings account (at t = 0). their long-run financial plan is to add an additional $5,000 in each of the next 4 years (at t = 1, 2, 3, and 4). then they plan to make 3 equal annual contributions in each of the following years, t = 5, 6, and 7. they expect their investment account to earn 9%. how large must the annual payments at t = 5, 6, and 7 be to cover ellen's anticipated college costs? a. $1,965.21b. $2,068.64c. $2,177.51d. $2,292.12e. $2,412.76