When a balanced die is thrown,the probability of getting $3$ is .........

$A$ company selected $4000$ households at random and surveyed them to find out a relationship between income level and the number of television sets in a home. The information obtained is listed in the following table:

Monthly income (in Rs)	Number of Televisions per household
	$0, 1, 2, \text{Above } 2$
$< 10000$	$20, 80, 10, 0$
$10000-14999$	$10, 240, 60, 0$
$15000-19999$	$0, 380, 120, 30$
$20000-24999$	$0, 520, 370, 80$
$25000$ and above	$0, 1100, 760, 220$

Find the probability of a household not having any television.

Two dice are thrown simultaneously $500$ times. Each time the sum of two numbers appearing on their tops is noted and recorded as given in the following table:

Sum	Frequency
$2$	$14$
$3$	$30$
$4$	$42$
$5$	$55$
$6$	$72$
$7$	$75$
$8$	$70$
$9$	$53$
$10$	$46$
$11$	$28$
$12$	$15$

If the dice are thrown once more,what is the probability of getting a sum between $8$ and $12\,?$

In a medical examination of students of a class,the following blood groups are recorded:

Blood group	$A, AB, B, O$
Number of students	$10, 13, 12, 5$

$A$ student is selected at random from the class. The probability that he/she has blood group $B$,is:

$50$ families with $2$ children were selected randomly and the following data were recorded:

Number of girls in a family	$0$	$1$	$2$
Number of families	$10$	$32$	$8$

If a family is chosen at random,compute the probability that it has: $(1)$ two girls,$(2)$ one girl,$(3)$ no girl.

$A$ recent survey found that the ages of workers in a factory is distributed as follows:

Age (in years)	$20-29$	$30-39$	$40-49$	$50-59$	$60$ and above
Number of workers	$38$	$27$	$86$	$46$	$3$

If a person is selected at random,find the probability that the person is $40$ years or more.