which are acceptable names for the plane?
choose all that are correct
a. plane crx
b. plane rxn
c. plane r
d. plane cxn

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?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?