starboy1964 starboy1964
  • 20-02-2024
  • Mathematics
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By accident, six burned-out bulbs have been mixed in with 16 good ones. Ken is replacing old bulbs in his house. If he selects two bulbs at random from the box of 22, what is the probability they both work?
a. P(Both work) = 64/121
b. P(Both work) = 61/121
c. P(Both work) = 8/11
d. P(Both work) = 40/77

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