Of all the registered cars in a small town in California, 27% fail the State smog test. 13 cars are selected at random to undergo an emissions test.(Round answer to 3 decimal places)

a.) Find the probability that exactly three of them fail the test.

b.) Find the probability that fewer than three of them fail the test.

c) Find the probability that more than two of them fail the test.

d.) Would it be unusual for none of them to fail the test?

• No it's not unusual, since the probability of none of them to fail the test is more than 0.05.
• No it's not unusual, since the probability of none of them to fail the test is less than or equal to 0.05.
• Yes it's unusual, since the probability of none of them to fail the test is less than or equal to 0.05.
• Yes it's unusaul, since the probability of none of them to fail the test is more than 0.05.