$A$ number is chosen at random from the single-digit natural numbers. The probability that the number chosen is a multiple of $3$ is ...........

Out of $30$ days, the forecast predicted by the weather department proved to be true on $20$ days. If one day is chosen at random from these $30$ days, what is the probability that the forecast proved to be false?

The minimum value of the probability of any event is ...........

Here is an extract from a mortality table.

Age (in years)	Number of persons surviving out of a sample of one million
$60$	$16090$
$61$	$11490$
$62$	$8012$
$63$	$5448$
$64$	$3607$
$65$	$2320$

What is the probability that a person aged $61$ will live for $4$ years?

Following is the information about vehicles passing in front of a city temple in one hour:

Vehicle type	Two-wheelers	Three-wheelers	Four-wheelers
Frequency	$90$	$35$	$25$

Find the probability that the vehicle passing through the temple is a two-wheeler.

The probability of getting two heads when three balanced coins are tossed is ............