A frequency distribution is shown below.

The number of televisions per househoid in a small town

$\backslash$table$[[$Televisions$,0,1,2,3],[$Households$,20,442,721,1401]]$

$($a$)$ Use the frequency distribution to construct a probability distribution.

$x$

$0$

$1$

$2$

$3$

$P(x)$

$($Round to three decimal places as needed.$)$

$($b$)$ Determine the probability that a household will have $2$ or more televisions