Essay
A manufacturer wishes to estimate the mean time a battery pack will function before needing to be recharged, with a margin of error of no more than 0.5 hours and with probability 0.95. If the standard deviation is known to be 1.5 hours, how many observations should be included in the sample? Justify your conclusion.
Correct Answer:
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= 34.57
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Correct Answer:
Verified
= 34.57...
View Answer
Unlock this answer now
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