Mathematics, 24.01.2020 23:31 viv1302
Suppose a manufacturer of light bulbs produces a 75-watt bulb that burns a mean of 7500 hours before it burns out. it has a standard deviation of 220 hours. what percentage of their bulbs would they have to replace under warranty if they offered a warranty of 7200 hours?
Answers: 2
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You paid $7.70 to the mail package that weighed 5.5 lb. right and solve any quetion to find the cost per pound ? ?
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Mathematics, 21.06.2019 15:00
The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.
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Mathematics, 21.06.2019 17:30
Can someone me and do the problem plz so i can understand it more better
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Mathematics, 22.06.2019 01:00
What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?
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