Suppose that you are given a data set which predicts the price of coffee based on loss of forest in indonesia. software tells us that the least-squares slope from 12 different observations is b = 0.544 with standard error seb = 0.099. please use 2 decimal places.

Aportion of a line bounded by two points is defined as

Evaluate the following expression 1/3^2

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?