Carl allen and norm nixon are two loan officers at a certain bank. the bank manager is interested in comparing the default rate on the loans approved by carl to the default rate on the loans approved by norm. in the sample of loans collected, there are 70 loans approved by carl (21 of which defaulted) and 80 loans approved by norm (19 of which defaulted).
(b) the sample default proportion for carl is ____ and the sample default proportion for norm is ____ .