Mathematics, 05.04.2021 14:00, riplilsnupe023
A certain brand of flood lamps has a lifetime that is normally distributed with a mean
of 3,750 hours and a standard deviation of 300 hours.
(a) What proportion of these lamps will last for at least 4,000 hours?
(b) What proportion of these lamps will last between 3,600 and 4,000 hours?
(c) What proportion of these lamps will last less than 3,800?
Answers: 2
Mathematics, 21.06.2019 20:30, aaronw3743
Wrote and expression for the difference of p and 4
Answers: 1
Mathematics, 21.06.2019 20:30, aceccardi03
Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.
Answers: 3
A certain brand of flood lamps has a lifetime that is normally distributed with a mean
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