The guidance system of a ship is controlled by a computer that has three major m

Question

The guidance system of a ship is controlled by a computer that has three major modules. In order for the computer to function properly, all three modules must function. Two of the modules have reliabilities of .98, and the other has a reliability of .98. b. A backup computer identical to the one being used will be installed to improve overall reliability. Assuming the new computer automatically functions if the main one fails, determine the resulting reliability. (Round your intermediate calculations and final answers to 4 decimal places.)

Reliability

Explanation / Answer

1st we need to find the reliability of the computer

the reliability of the computer will be = 0.98^2*0.98 = 0.9032

now as the computer is replaced by the identical computer

and will work if the mains fails

so the reliability of the computer will be = 0.9032^2 = 0.8157

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