Merry and bright? a string of christmas lights con-
tains 20 lights. the lights are wired in s...
Mathematics, 21.11.2019 03:31 Lizae9099
Merry and bright? a string of christmas lights con-
tains 20 lights. the lights are wired in series, so that
if any light fails, the whole string will go dark. each
light has probability 0.98 of working for a 3-year
period. the lights fail independently of each other.
find the probability that the string of lights will
remain bright for 3 years.
Answers: 3
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