the life of light bulbs

  1. Daphne replaced light bulbs in her mothers store.She had 3/4 of a box of light bulbs. She used 1/3 of the bulbs.a. What fraction
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    2. Cherie asked by Cherie
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  2. twenty light bulbs are tested three light bulbs fail the test. two light bulbs are selected at random without replacement from
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    2. bernie asked by bernie
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  3. For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.
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  4. For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.
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  5. For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.
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  6. Joaquin buys 3 packs light bulbs. Each pack contains 12 light bulbs. After changing the bulbs in his house, he has 15 bulbs
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    2. Teddys asked by Teddys
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  7. Joaquin buys 3 packs light bulbs. Each pack contains 12 light bulbs. After changing the bulbs in his house, he has 15 bulbs
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    2. coolguy123 asked by coolguy123
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  8. -2. A school maintenance worker wants to estimate how many of the 1,000 light bulbs in their 55 classrooms need a new light
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  9. twenty light bulbs are tested to see if they claims last long as the manufacturers claims they do. three light bulbs failed the
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    2. bernie asked by bernie
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  10. The quality control manager at a light bulb factory needs to estimate the mean life of a large shipment of light bulbs. The
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    2. Tim asked by Tim
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