The double-testing approach is applied to test a new computer program, and the two programmers who do the testing find 38 and 42 errors, respectively. If 33 of the errors found by Programmer 1 are the...

The double-testing approach is applied to test a new computer program, and the two

programmers who do the testing find 38 and 42 errors, respectively. If 33 of the

errors found by Programmer 1 are the same as errors in the list produced by Programmer 2, estimate the actual number of errors in the program.