Question 2 ef17 s Check My Werk A technician services mailing machines at compan

Question

Question 2 ef17 s Check My Werk A technician services mailing machines at companies in the Phoentx area Depending on the type of malfunction, the service call can take 1.2. 24, 3.6, or 4.8 hours. The f required, round your answers to two decimal places. a. Develop a probability distribution for the duration of a service call. Duration of Cal omrent types of malfundens o nr atth.me hoency. 3.6 4.8 b. which ofthe folowing probabilty dinution graphs uately represents the det, see? on command command option

Explanation / Answer

a) X f(x)
1.2 0.25
2.4 0.25
3.6 0.25
4.8 0.25

b) Option 2

c) Yes, it satisfies 1st equation
Yes, it satisfies 2nd equation

d) P(X = 3.6) = 0.25

e) P(X > 2) = P(X =2.4) + P(X = 3.6) + P(X = 4.8) = 0.75

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