Solve |x|> 3 a.{-3,3} b.{x|x< -3 u x> 3} c.{x|x< -3ωx> 3}

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Find the slope of the line passing through a pair of points

Need asap. solve for the following inequality