The school choir is selling fruit boxes to earn money for new robes. the fruit boxes sell for $30
each. the company charges a $125 delivery fee and $9 per box, which inequality can be used t
determine the number of boxes the choir must sell to make a profit?

a.125 + 9x < 30%
b.125x + 9 < 30%
c.125 + 9x > 30%
d.9x < 30x + 125

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).