Which scatterplot correctly represents the table of values below? number of years collecting stamps number of stamps in collection 2 100 5 175 4 150 3 125 4 175 3 100

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?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?