What is any factor that makes it difficult for a new firm to enter a market referred to as?
a. a sustainable cost
b. a commodity
c. a barrier to entry
d. perfect competition

The last time he flew jet value air, juan's plane developed a fuel leak and had to make an 4) emergency landing. the time before that, his plane was grounded because of an electrical problem. juan is sure his current trip will be fraught with problems and he will once again be delayed. this is an example of the bias a) confirmation b) availability c) selective perception d) randomness

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Which stage of group development involves members introducing themselves to each other?