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General

When a ball travels by means of the air there may be lots of components that influence its motion. The ball might have some inherent spin and may all of the sudden swerve out of the line of the stumps after encountering an air packet. The ball might have pitched on a foot mark or a crack on the pitch and so might encounter an uncertain path of locomotion.

So it is simply inconceivable to foretell the precise trajectory of the ball utilizing a simulation simply because of lots of surrounding components which will influence the precise locomotion of the ball. However one can nonetheless state statistically with a sure diploma of confidence that the predicted path can be as per the trajectory that is shown by the
Hawk Eye device.

So one may also be capable of show that only beneath some hitherto rare unknown conditions would the ball have either missed hitting the stumps or would have hit the stumps. The error charge of Check umpires is about eight%. LBWs would account for 3 - 4% of those errors. However a hawk eye system can predict way more precisely than a human and one can positively count on that the number of flawed LBW decisions will scale back if Hawk Eye expertise is used.