John had a rock that weighed 128 kg. The scale he used to weigh the rock has a percent error of 2%. Which could be measured weights of the rock?

In the diagram of circle a what is m

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

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).