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In a railway reservation office, two clerks are engaged in checking rese

rvation forms. On

an average, the first clerk (A

1

) checks 55 per cent of the forms, while the second (A

2

)

checks the remaining. While A

1

has an error rate of 0.03 that of A

2

is 0.02. A reservation

form is selected at random from the total number of forms c

hecked during a day and is

discovered to have an error. Find the probabilities that it was checked by A

1

, and A

2

,

respectively

.

1
by kushwaha19

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