llustration 54. In a railway reservation office, two clerks are engaged in checking reservation forms. Ön an average, the first clerk checks 55% of the forms, while the second does the remaining. The...

Extracted text: llustration 54. In a railway reservation office, two clerks are engaged in checking reservation forms. Ön an average, the first clerk checks 55% of the forms, while the second does the remaining. The first clerk has an error rate of 0.03 and second has an error rate of 0.02. A reservation form is selected at ran- dom from the total number of forms checked during a day, and is found to have an error. Find the prob- abilities that it was checked by first and second clerk respectively.