Question: In a 3-server model, whats the probability that a customer that is just arriving will be served immediately? i don't believe it is 0.86, please

In a 3-server model, whats the probability that a customer that is just arriving will be served immediately?
i don't believe it is 0.86, please explain I have done everything
a.0.51
b.0.14
c.0.82
d.0.95
e.0.05
f.0.86
1 0.60 2 0.30 3 0.20 Servers RHO Probability of 0 1 2 3 4 5 In the system 0.40 0.24 0.14 0.09 0.05 0.03 0.49 0.33 0.11 0.04 0.014 0.004 0.51 0.34 0.10 0.02 0.011 0.001 N (s) N (0) CUSTOMERS 1.50 0.90 TIME (Minutes) 10.000 6.000 CUSTOMERS 0.74 0.08 TIME (Minutes) 4.83 0.53 CUSTOMERS 0.67 0.01 TIME (Minutes) 4.36 0.06 T(s) TO) opens theStep by Step Solution
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