P(x ≥ K 1x>1.25) =0.45

K=?

Plz hurry

What is 20+(5 x 2/5 )+ 3 show your work

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?

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples