Ask a New Question

The lifetimes of batteries are

A company produces batteries whose lifetimes are normally distributed with a mean of 100 hours. It is known that 90% of the
1. 0 answers
2. asked by Ravi
3. 1,164 views
The lifetimes of batteries are independent exponential random variables, each having parameter λ. A flashlight needs 4
1. 0 answers
2. asked by al
3. 1,060 views
Ryan is buying batteries for his remote control cars. Charge Zone batteries cost $15.80 for 20 batteries. Electrocell batteries
1. 1 answer
2. asked by Brianna sapp
3. 50 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
1. 1 answer
2. asked by Anonymous
3. 586 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
1. 1 answer
2. asked by Clair
3. 833 views
The lifetime in hours of a certain make of batteries follows a normal distribution with mean 160 and standard deviation 30.Calcu
1. 1 answer
2. asked by harish
3. 1,103 views
The batteries from a certain manufacturer have a mean lifetime of890 hours, with a standard deviation of 90 hours. Assuming that
1. 1 answer
2. asked by Nathan
3. 1,677 views
The lifetimes of batteries produced by a firm are known to be normally distributed with a mean of 100 hours and a standard
1. 2 answers
2. asked by Brea
3. 757 views
The lifetime of a 2 volt non-rechargeable battery has a normal distribution with a mean of 516 hours and a standard deviation of
1. 1 answer
2. asked by Gee
3. 609 views
The lifetime of a 2 volt non- rechargeable battery has a normal distribution with a mean of 516 hours and a standard deviation
1. 1 answer
2. asked by Gee
3. 1,017 views