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Suppose that a three$-$stage process had reliablity ratings of $7\mathrm{.}8,$ and $9$ at each station and that a fallure at any saation reprevented a falure for the entire process. each station is given a redundant check with $7$ reliablity. please answer the following questions.

Whan is the new re$"$titity of the whole process with the redundart cheodes?

$448$

$504$

$608$

$00.$

$830$

Question $30(3$ points$)$

Tiger thand Fabricators, which builds oftshore oll platforms, has been eaperiencin problems with its profling machine, a computer$-$driven device that cuts the end