Suppose a company produces lightbulbs with a mean lifetime of 1000 hours and a standard devlation of 50 hours. So, the z-score for a particular Ilghtbulb that lasts for only 700 hours Is O A. 300 О В. -6 ОС. 50 O D. 6

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A elearn.squ.edu.om/mod/quiz/attempt.php?attempt3D1766701&cmid%3D867043&page%3D3
ING SYSTEM (ACADEMIC)
HESS STATISTICS I-Spring21
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Suppose a company produces lightbulbs with a mean lifetime of 1000 hours and a standard devlation of 50 hours. So, the z-score for a particular
Ilghtbulb that lasts for only 700 hours Is
O A. 300
О В. -6
ОС. 50
O D. 6
NEXT PA
PAGE
Transcribed Image Text:A elearn.squ.edu.om/mod/quiz/attempt.php?attempt3D1766701&cmid%3D867043&page%3D3 ING SYSTEM (ACADEMIC) HESS STATISTICS I-Spring21 Time left 1:2 Suppose a company produces lightbulbs with a mean lifetime of 1000 hours and a standard devlation of 50 hours. So, the z-score for a particular Ilghtbulb that lasts for only 700 hours Is O A. 300 О В. -6 ОС. 50 O D. 6 NEXT PA PAGE
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