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please help Suppose a brand ollignt bulbs is normally distributed, with a mean life of1300 hr and a standard deViation Areas Under the Standard Normal
please help Suppose a brand ollignt bulbs is normally distributed, with a mean life of1300 hr and a standard deViation Areas Under the Standard Normal Curve of 50 hr. 2 A z A .. 1.00 .3413 1 50 .4332 ...
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