Marty and Jean are married and have 4-year-old twins. Jean is going to school full-time for 11 months of the year, and Marty earns $59,200. The twins are in day care so Jean can go to school while Marty is at work. The cost of day care is $10,100. TABLE 6.1 CHILD AND DEPENDENT CARE CREDIT PERCENTAGES Adjusted Gross Income Applicable Percentage Over But Not Over $0 – $15,000 35% 15,000 – 17,000 34% 17,000 – 19,000 33% 19,000 – 21,000 32% 21,000 – 23,000 31% 23,000 – 25,000 30% 25,000 – 27,000 29% 27,000 – 29,000 28% 29,000 – 31,000 27% 31,000 – 33,000 26% 33,000 – 35,000 25% 35,000 – 37,000 24% 37,000 – 39,000 23% 39,000 – 41,000 22% 41,000 – 43,000 21% 43,000 – No limit 20% What is their child and dependent care credit?

Amanufacturing firm has been averaging 16.8 orders per week for several years. however, during a recession, orders appeared to slow. suppose the firm’s production manager randomly samples 31 weeks and finds an average of 15.6 orders with a standard deviation of 2.3 orders. using a 0.025 significance level, test whether the mean number of orders has decreased. type the full 5 step procedure into the answer box, then for multiple choice practice, answer the following: 1. what is the name and symbol of the parameter that you are testing? 2. what is the symbol and value of the point estimate of that parameter? 3. what distribution are you using to test this parameter? 4. what is the critical value? 5. what is the test statistic value? 6. what is the p-value?