Lucky toast grahams come in 2 sizes. A 23 oz box for $3.24 and a 18 oz box for $2.70. Which is a better deal? How much do you save per ounce (round to nearest penny)? PLEASE HELP THIS IS DUE TODAY AND I CANT FIGURE OUT

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).