Two coins are tossed $729$ times and the outcomes are recorded below:

Owtcoins	No tail	One tail	Two tails
Frequency	$189$	$297$	$243$

Find the probability of occurrence of each event.

Q.

Two coins are tossed simultaneously 500 times with the following frequencies of different outcomes :

Two heads : 95 times

One tail : 290 times

No head : 115 times

Find the probability of occurrence of each these events.[NCERT]

Q. Examine the following statements and comment:
If two coins are tossed at the same time, there are $3$ possible outcomes- two heads, two tails, or one of each. Therefore, for each outcome, the probability of occurrence is $1/3$.

Q. Two coins were tossed simultaneously 80 times and the outcomes were recorded as under:

Outcome	Two heads	One head	No head
Frequency	24	36	20

If two coins are tossed at random, find the probability of getting
(i) two heads
(ii) one head
(iii) no head

Q.

A coin is tossed 16 times and the outcomes are recorded as follows: H, T, T, H, T, H, H, H, T, H, T, H, T, H, T, T
The probability of occurrence of a head is ________.

Q. A coin is tossed 16 times and the outcomes are recorded as follows:H,T,T,H,T,H,H,H,T,H,T,H,T,H,T,T
The probability of occurrence of a head is.

A. $\frac{1}{2}$

B. $\frac{2}{3}$

C. $\frac{1}{3}$

D. $\frac{3}{2}$