Mathematics, 03.08.2019 07:10 aloading6574
7. to qualify for promotion, a technical company requires an employee to pass a screening test. a maximum of 3 attempts are allowed with 6 month intervals between trials. from past records it is found that 40% pass on the first trial; of those that fail the first trial and take the test a second time, 60% pass; and of those that fail on the second trial and take the test a third time, 20% pass. for an employee wishing to transfer:
a. what is the probability of passing the test on the first or second try?
b. what is the probability of failing on the first 2 trials and passing on the third?
c. what is the probability of failing on all 3 attempts?
Answers: 3
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7. to qualify for promotion, a technical company requires an employee to pass a screening test. a ma...
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