A health food store sells a snack mix of raisins and almonds. Alone, raisins sell for $3.50/1b and almonds sell for $4.75/lb. How many pounds of each should be mixed to make 20 pounds of snack mix worth $4.00 per
pound?

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).