Based only on the given information, it is guaranteed that AD = DB.
A. True
B. False

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?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Find the distance between (7,-6) and (-3,-9)