An individual leaves a college faculty, where she was earning $70,000 a year, to begin a new venture. She invests her savings of $42,000, which were earning 6 percent annually. She then spends $22,000 renting office equipment, hires two students at $18,000 a year each, rents office space for $9,000, and has other variable expenses of $40,000. At the end of the year, her revenues are $230,000. 1. Her accounting profit is $..?

2. Her economic profit is $..?

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

What is perpendicular to y=-1/2x+11

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in: