Mrs. Pruitt's grandchildren are participating in a gift wrap sale to raise money for their school . She decided to stock up, so she ordered 2 rolls of reversible paper and 5 rolls of metallic paper from Tom , spending a total of $ 67. She also ordered 2 rolls of reversible paper and 2 rolls of metallic paper from Albert , which cost total of $40. Assuming that rolls of each type are priced the same , what is the price for the metallic paper ?

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).