Question

A sample of 200 executives is asked the question: “If you were given an offer by...

A sample of 200 executives is asked the question: “If you were given an offer by another company equal to or slightly better than your present position, would you remain with the company or take the other position?” The responses of the 200 executives in the survey were cross-classified with their length of service with the company, giving the results below:

Length of Service

Loyalty

< 1

1 - 5

6 - 10

> 10

Remain

10

30

5

75

Leave

25

15

10

30

(a) If an executive is picked at random, what is the probability that they are loyal (ie would remain with the company)?

(b) If an executive is picked at random, what is the probability that they have been with the company for more than 10 years?

(c) at random, what is the probability that they are loyal?

(d) Which two of the above answers would you compare to judge whether Loyalty and Time of Service are independent? What does this comparison suggest?

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