Asap! 25 points!

the harper family is traveling to visit friends. the distance to the friend’s house is 276.45 miles. it takes the family 5.82 hours to complete the trip. rate is found by dividing distance by time. what is the rate for the family’s trip in miles per hour? enter your answer in the box.

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).