A rectangular bathroom floor is covered with square tiles that are 1 and 1/2 feet by 1 and 1/2 feet the length of the bathroom floor is 10 and 1/2 feet and the width is 6 and 1/2 how many tiles does it take to cover the length of the floor

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).