Which relation is necessarily true if addb=aeec ?
a.) de¯¯fg¯¯

b.) de¯¯bc¯¯

c.) fg¯¯bc¯¯

d.) ad¯¯ec¯¯

Arrange these numbers from least to greatest 3/5 5/7 2/9

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).

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?