4-82. A survey of 300 CEOS was conducted in which the ED CEOS were to list their corporation's geographical E location: Northeast (NE), Southeast (SE), Midwest (MW), Southwest (SW), and West (W). They were also requested to indicate their company's industrial type: Communications (C), Electronics (E), Finance (F), and Manufacturing (M). The file titled CEOInfo contains sample data similar to those used in this study. a. Determine the probability that a randomly chosen CEO would have a corporation in the West. b. Compute the probability that a randomly chosen CEO would have a corporation in the West and head an electronics corporation. c. Calculate the probability that a randomly chosen CEO would have a corporation in the East or head a communications corporation. d. Of the corporations located in the East, calculate the probability that a randomly selected CEO would head a communications corporation.

Type	Location
M	NE
C	SW
C	W
E	W
F	SW
F	SW
C	NE
M	MW
E	NE
M	NE
C	W
M	W
C	MW
M	MW
M	SW
F	W
C	SE
M	W
C	W
E	W
E	NE
M	MW
C	W
M	W
C	W
C	MW
M	MW
E	MW
M	W
C	MW
E	NE
M	MW
E	SW
M	SW
M	W
M	SW
M	W
F	NE
F	MW
F	SW
F	W
C	MW
E	MW
C	W
E	SW
C	NE
F	NE
C	SE
M	NE
M	MW
M	W
F	W
C	W
F	W
C	NE
E	NE
E	W
E	W
F	SE
C	NE
F	SW
E	NE
F	W
F	SW
M	W
F	NE
C	SE
M	MW
F	SW
E	W
C	W
C	SE
C	SE
E	W
E	W
E	SW
M	SE
M	MW
F	MW
E	W
E	W
E	W
C	SW
M	MW
C	MW
F	W
F	W
C	W
F	W
M	W
C	MW
F	W
M	W
C	SW
F	W
C	MW
M	SE
C	MW
E	MW
M	W
F	W
C	W
C	MW
E	W
C	NE
C	W
M	SE
M	MW
E	NE
F	SW
F	W
E	W
F	W
F	MW
C	W
C	MW
E	W
E	NE
M	NE
F	MW
F	MW
C	MW
E	W
C	SW
F	NE
C	NE
M	NE
F	SE
E	NE
C	MW
C	MW
C	W
C	NE
F	NE
C	NE
M	SW
C	NE
E	SW
C	SW
F	SW
C	MW
C	NE
F	SW
C	W
F	MW
E	NE
E	SW
C	W
E	NE
M	MW
E	MW
E	SE
M	W
M	W
C	SW
F	W
C	NE
C	W
C	SE
E	W
C	W
F	MW
C	SE
E	NE
E	NE
C	W
C	SW
C	W
C	SW
F	MW
M	MW
M	MW
C	MW
F	NE
C	W
M	W
F	MW
M	SW
C	SW
E	SW
C	W
C	MW
F	MW
E	W
F	W
E	SE
F	NE
M	W
E	W
E	MW
E	W
E	MW
C	SE
F	W
E	W
C	NE
M	MW
C	NE
F	SE
C	MW
E	W
C	SE
M	MW
C	W
M	SW
E	NE
F	W
C	MW
F	MW
F	W
E	W
F	MW
F	SW
C	NE
F	SW
F	SW
E	MW
F	W
C	W
M	W
C	MW
C	SW
E	W
F	NE
F	W
E	SW
F	NE
M	W
F	MW
E	W
F	SW
C	MW
C	NE
E	SW
C	MW
F	MW
F	SW
M	W
F	MW
C	SE
F	NE
E	SE
C	SW
E	W
M	W
C	SE
F	MW
E	MW
E	W
C	SW
E	MW
C	W
E	MW
C	SW
F	MW
C	W
C	SW
C	SW
F	MW
E	MW
F	MW
F	NE
C	SW
E	SE
C	NE
E	SW
C	SW
C	SE
E	SW
E	W
E	MW
C	MW
E	W
F	SE
F	W
F	W
C	MW
E	W
F	SW
C	NE
E	NE
C	W
E	W
E	MW
C	W
F	MW
F	W
E	NE
E	MW
C	NE
C	SE
C	MW
F	NE
E	SE
M	SW
F	MW
E	W
C	W
M	SW
E	MW