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The lifetimes of batteries produced

A company produces batteries whose lifetimes are normally distributed with a mean of 100 hours. It is known that 90% of the
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2. asked by Ravi
3. 1,147 views
The lifetimes of batteries are independent exponential random variables, each having parameter λ. A flashlight needs 4
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2. asked by al
3. 1,045 views
The lifetimes of batteries produced by a firm are known to be normally distributed with a mean of 100 hours and a standard
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2. asked by Brea
3. 742 views
For every 1000 batteries produced by a manufacturer 15 are defective. What is theprobability that 100 randomly chosen batteries
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2. asked by Andrew
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Ryan is buying batteries for his remote control cars. Charge Zone batteries cost $15.80 for 20 batteries. Electrocell batteries
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2. asked by Brianna sapp
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Battery Wholesaler produces 5,200 batteries. Of those batteries produced, 8 percent are defective. How many batteries are
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2. 37 views
Battery Wholesaler produces 5,200 batteries. Of those batteries produced, 8 percent are defective. How many batteries are
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2. 30 views
In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally
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2. asked by Clair
3. 816 views
. (8 pts) In each case, consider what you know about the distribution and then explain why you would expect it to be or not to
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2. asked by Anonymous
3. 567 views
The lifetime in hours of a certain make of batteries follows a normal distribution with mean 160 and standard deviation 30.Calcu
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2. asked by harish
3. 1,089 views