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OpenStudy (alprincenofl):
A company claim that the mean life and standard deviation of the bulbs are 360 hours and 90 hours respectively. A sample of 625 bulbs is chosen. It is found that the mean life and standard deviation of the bulb in the sample are 355 hour and 90 hours respectively. Use these results to test the claim at the 5% level of significance
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OpenStudy (alprincenofl):
Statistics
OpenStudy (adelyn_helps):
1 sec...
OpenStudy (alprincenofl):
ok
OpenStudy (adelyn_helps):
sorry not the fastest person
OpenStudy (adelyn_helps):
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OpenStudy (adelyn_helps):
This might help...
OpenStudy (adelyn_helps):
by the way yur really cute
OpenStudy (anonymous):
ikr
OpenStudy (alprincenofl):
@adelyn_helps Thanks for the help and compliment (; @tyann1098 Appreciated (:
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