Arecent poll at smithfield high school shows that 65% of seniors say that they have copied another student's homework and 25% of them have left school without permission from the office. what i'd the probability that a random student has copied someone's homework and has not left school without permission from the office?

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).