# Question: The population of Seoul was studied in an article by

The population of Seoul was studied in an article by B. Lee and J. McDonald, "Determinants of Commuting Time and Distance for Seoul Residents: The Impact of Family Status on the Commuting of Women" (Urban Studies, Vol. 40, No. 7, pp. 1283-1302). The authors examined the different occupations for males and females in Seoul. The preceding table is a frequency distribution of occupation type for males taking part in a survey. (Note: M = manufacturing, N = nonmanufacturing.) If one of these males is selected at random, find the probability that his occupation is

Occupation Frequency

Administrative/M .......... 2,197

Administrative/N .......... 6,450

Technical/M ............ 2,166

Technical/N ............ 6,677

Clerk/M ............... 1,640

Clerk/N ............... 4,538

Production workers/M ........ 5,721

Production workers/N ......... 10,266

Service ............... 9,274

Agriculture ............. 159

a. Service.

b. Administrative.

c. Manufacturing.

d. Not manufacturing.

Occupation Frequency

Administrative/M .......... 2,197

Administrative/N .......... 6,450

Technical/M ............ 2,166

Technical/N ............ 6,677

Clerk/M ............... 1,640

Clerk/N ............... 4,538

Production workers/M ........ 5,721

Production workers/N ......... 10,266

Service ............... 9,274

Agriculture ............. 159

a. Service.

b. Administrative.

c. Manufacturing.

d. Not manufacturing.

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