A balloon factory test 4 different materials for a new balloon they will do the same number of tests on each material the manager says they need to do an odd number of tests how can they do this

Taking algebra two apex courses and need with these questions

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).

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50