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Selected employee has a technical job or is a soccer fan

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In a large corporation a sample of 136 employees have been classified according to the type of work and asked their preferred sport. The results are presented in the accompanying table. assume that one employee in this sample is selected at random. Find the indicated probabilities (express them as a decimal number rounded to 2 decimal places)

Baseball Soccer Football Other Total
Administrative 15 20 20 5 60
Technical 10 15 9 6 40
Service 8 9 15 4 36
Total 33 44 44 15 136

a. The probability that the selected employee has a technical job or is a soccer fan.
b. The probability that the selected employee has a service job, if is known that he/she is a soccer fan.

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Let S1=Baseball, S2=Soccer. S3=Football, S4=Other and let
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Solution Summary

The probability that a selected employee has a technical job or is a soccer fan is determined.

$2.19