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bribery bribery
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6 years ago
If the population standard deviation of the lifetime of washing machines is estimated to be 900 hours, how large a sample must be taken in order to be 97 confident that the margin of error will not exceed 100 hours?
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FredioFredio
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bribery Author
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6 years ago
Helped a lot
ky
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Yesterday
This helped my grade so much Perfect
Danivalda
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2 hours ago
Thanks for your help!!
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