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Problem 7-22
Satellite Radio Reliability
Exponential Probability Distribution
Enter data only in yellow-shaded cells.
Failure rate per hour (λ) = 0.000015
Hours 12000
Calculated probability 0.164730
T = x Cumulative Failure Reliability
Hours Probability F(x) 1-F(x)
0 0.000000 1.00000
137500 0.872864 0.12714
150000 0.894601 0.10540
162500 0.912621 0.08738
175000 0.927560 0.07244
187500 0.939945 0.06005
200000 0.950213 0.04979
212500 0.958725 0.04127
0.000
0 50000 100000 150000 200000 250000 300000
Hours to Failure
Hours to Failure
Reliability Function
