Jim and Pam have a combined monthly net income of $4,500. Their fixed monthly expenses consist of $700 for rent. They also have an outstanding student loan balance of $8,500 and a balance of $1,000 for the plasma 3D television they bought last month. How much more debt can they take on and still be within a safe debt load?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).