Solve for the unknown quantity in each proportion. k over three equals three over nine
A. 1
B. 3
C. 9
D. 27

Answer this question only if you know the answer! 30 points and

Ineed if you could explain and give me the answer you! this needs done

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).