How old am i in 2017 if i was born in 2000?

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?

What statement is true? 2x^2-9x+2=-1

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?