Question

The Motor Vehicle Department has found that the probability of a person passing the test for a

driver's license on the first try is .75. The probability that an individual who fails on the first test
will pass on the second try is .80, and the probability that an individual who fails the first and
second tests will pass the third time is .70.

Answer 1

1.25%

Explanation:

75% of people pass first try

80% of people pass second try

70% of people pass thrid try

You have 25% of failing the frist time so then you will be in the 25% then the second time taking the test you have 20% of falling

100/75=25 25/20 1.25%