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The lifetimes of Triple X

The lifetimes of Triple X TV Tubes are approximately normally distributed with mean 13.2 years and standard deviation 3.5 years.
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2. asked by Portia
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The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of
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2. asked by Justice
3. 2,087 views
The lifetimes of projector bulbs of a particular type are normally distributed with a mean of 470 hours and a standard deviation
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2. asked by Justice
3. 1,211 views
The lifetimes of projector bulbs of a particular type are normally distributed with a mean of 470 hours and a standard deviation
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2. asked by justice
3. 952 views
The average remaining lifetimes for women of various ages in a certain country are given in the following table.† (A graphing
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2. asked by marth
3. 55 views
The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 290 hoursand a standard deviation of 6
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2. asked by sally
3. 1,200 views
2) The lifetimes of light bulbs of a particular type are normally distributed with a mean of 370 hours and a standard deviation
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2. asked by John
3. 892 views
The lifetimes of light bulbs of a particular type are normally distributed with a mean of 370 hours and a standard deviation of
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2. asked by Michael
3. 1,415 views
assuming the valencies of hydrogen nitrogen and carbon are 1,3,and 4. i need to draw a structural formulae for hydrogen cyanide
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2. asked by notty
3. 755 views
How many triple points are represented in this diagram? Indicate the pressure versus temperature coordinates of the identified
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2. 74 views