Mathematics, 05.10.2019 03:10 aaliyah80

Christmas tree lights are used not only for christmas trees, but sometimes to decorate college dorm rooms. suppose that a string has 20 light bulbs. these lights are all wired in series, so that if one light bulb fails, the whole string fails. the probability that any one light fails is 0.02. each of the individual lights are independent of each other. what is the probability that the string will not fail?
a. 0.02
b. 0.40
c. 0.668
d. 0.333

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Christmas tree lights are used not only for christmas trees, but sometimes to decorate college dorm...