The Readylite Company produces a flashlight which is perfectly reliable except for two components: the battery,which has a random failure rate of one in every five hours of operation; and the light bulb,which has a random failure rate of three in every ten hours.If the company includes a backup light bulb with each flashlight,what is the probability that the flashlight will perform reliably for one hour (excluding light bulb replacement time,if any)?
A)0.6720
B)0.7280
C)0.8736
D)0.9100
E)0.9600

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The Answer of The Readylite Company produces a flashlight which is perfectly reliable except for two components: the battery,which has a random failure rate of one in every five hours of operation; and the light bulb,which has a random failure rate of three in every ten hours.If the company includes a backup light bulb with each flashlight,what is the probability that the flashlight will perform reliably for one hour (excluding light bulb replacement time,if any)?
A)0.6720
B)0.7280
C)0.8736
D)0.9100
E)0.9600

The Readylite Company Produces a Flashlight Which Is Perfectly Reliable