In a sales effectiveness seminar a group of sales representatives tried two approaches to selling a customer a new automobile the aggressive approach and the passive approach For 1 160 customers the following record was kept Sale Aggressive 263 Passive 413 No Sale Row Total P S Pa 317 Column Total 676 484 167 580 P Pa and S 580 Suppose a customer is selected at random from the 1 160 participating customers Let us use the following notation for events A aggressive approach Pa passive approach S sale N no sale So P A is the probability that an aggressive approach was used and so on 1 160 a Compute P S P SIA and P S Pa Enter your answers as fractions P S X P S A Enter an exact value instead of a rounded value x Enter an exact value instead of a rounded value b Are the events S sale and Pa passive approach independent Explain Yes P S P S Pa No The two events cannot occur together Yes The two events can occur together No P S P S Pa c Compute P A and S and P Pa and S Enter your answers as fractions P A and S x Enter an exact value instead of a rounded value d Compute P N and P NI A Enter your answers as fractions P N P N A Enter an exact value instead of a rounded value e Are the events N no sale and A aggressive approach independent Explain No The two events cannot occur together Yes P N P N A Yes The two events can occur together No P N P N A f Compute P A or S Enter your answer as a fraction