Mathematics, 18.11.2020 17:30 smortandsons
Required information In a sample of 80 light bulbs, the mean lifetime was 1217 hours with a standard deviation of 51 hours. Someone says that the mean lifetime is less than 1220 hours. With what level of confidence can this statement be made? (Express the final answer as a percent and round to two decimal places.) The level of confidence is 0 %.
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Mathematics, 21.06.2019 19:10
In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth
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Mathematics, 21.06.2019 23:00
Ineed to know the ordered pairs for this equation i need the answer quick because itβs a timed test
Answers: 1
Required information In a sample of 80 light bulbs, the mean lifetime was 1217 hours with a standard...
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