Posters for a rock concert cost $4.95 each. Estimate the cost of purchasing 15 posters.

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).

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !