A machine consists of three components p, q and r connected serially. The reliabilities of p, q and r are 0.97, 0.86 and 0.93, respectively. To increase the reliability of the machine, two additional stand-by units of q are attached. The overall reliability (up to two decimal places) of the machine is
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A machine consists of three components p, q and r connected serially. The reliabilities of p, q and r are 0.97, 0.86 and 0.93, respectively. To increase the reliability of the machine, two additional stand-by units of q are attached. The overall reliability (up to two decimal places) of the machine is
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