Arandom sample of 56 fluorescent ight buibs has a mean lile of 545 hours and assume that the population standard deviadion is 31 hs Canalnel 95% conlidence interval for the population moan. OA...

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Arandom sample of 56 fluorescent ight buibs has a mean lile of 545 hours and assume that the population standard deviadion is 31 hs Canalnel 95%<br>conlidence interval for the population moan.<br>OA (7170,768 o)<br>OB (536 9,653.1)<br>OC 1120,1189<br>OD. (539.6,551.2)<br>II<br>

Extracted text: Arandom sample of 56 fluorescent ight buibs has a mean lile of 545 hours and assume that the population standard deviadion is 31 hs Canalnel 95% conlidence interval for the population moan. OA (7170,768 o) OB (536 9,653.1) OC 1120,1189 OD. (539.6,551.2) II

Jun 10, 2022
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