Fill in the Blank: To test a new sales technique the manager set up an experiment. He had some clerks use the new technique and some clerks use the old technique. The results of the 524 customers approached are tabulated here.
SALE NO SALE ROW TOTALS
NEW TECHNIQUE 122 188 310
OLD TECHNIQUE 86 128 214
COLUMN TOTALS 208 316 524

A customer is picked at random, find the probability that the new technique was used with this customer given that there was a sale.

2.
Fill in the Blank: When producing ball bearings, the probability that one is too small is .20, the probability th

Question

Fill in the Blank: To test a new sales technique the manager set up an experiment.  He had some clerks use the new technique and some clerks use the old technique. The results of the 524 customers approached are tabulated here.
	SALE 	NO SALE 	ROW TOTALS 
NEW TECHNIQUE 	122	188	310
OLD TECHNIQUE 	86	128	214
COLUMN TOTALS 	208	316	524

A customer is picked at random, find the probability that the new technique was used with this customer given that there was a sale. 
  
2. 
Fill in the Blank: When producing ball bearings, the probability that one is too small is .20, the probability th