Row Total Sale No Sale 267 313 580 Aggressive 118 462 580 Passive Column Total 729 431 1160

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
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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 1160 customers, the following record was kept:

Suppose a customer is selected at random from the 1160 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.

(a) Compute P(S), P(S | A), and P(S | Pa). (Enter your answers as fractions.)
 
(b) Compute P(A and S) and P(Pa and S). (Enter your answers as fractions.)
 
(c) Compute P(N) and P(N | A). (Enter your answers as fractions.)
 
(d) Compute P(A or S). (Enter your answer as a fraction.)
Row Total
Sale
No Sale
267
313
580
Aggressive
118
462
580
Passive
Column Total
729
431
1160
Transcribed Image Text:Row Total Sale No Sale 267 313 580 Aggressive 118 462 580 Passive Column Total 729 431 1160
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