If the standard deviation of a set of values is 6.7 and the average is 201.2 which of the following values is contained within 68% of the bell-shaped curve about the mean​

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Which representation has a constant of variation of -2.5

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?