Car inspection: Of all the registered automobiles in a city, $7\%$ fail the emissions test. Thirteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places.

A$.$ Find the probability tnat exactly four of them fail the test $-$

B$.$ Find the probability that fewer than four of them fail the test

C$.$ Find the probability that more than $3$ of them fail the test

D$.$ Would it be unusual for none of them to fail the test?

It $($would$,$ wouldn't$)$ be unusual for none of them to fail the test since the probability is $\_\_\_\_\_\_\_$