Applied Statistics and Probability for Engineers, 6th Edition

Published by Wiley
ISBN 10: 1118539710
ISBN 13: 978-1-11853-971-2

Chapter 2 - Section 2-3 - Addition Rules - Exercises - Page 39: 2-89

Answer

a) The probability that the lamp will be unsatisfactory in both areas: $9/130=0.069$ b) No, the manufacturer does not meet demand, as Probability of lamps being satisfactory is 90%, which is less than the demanded 95%.

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