Three coins are tossed simultaneously $200$ times with the following frequencies of different outcomes:
Outcome
$3$ heads
$2$ heads
$1$ head
No head
Frequency
$23$
$72$
$77$
$28$
If the three coins are simultaneously tossed again, compute the probability of $2$ heads coming up.

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Solution

Number of times $2$ heads come up = $72$
Total number of times the coins were tossed = $200$
Probability of $2$ heads coming up = $\frac{Favorable Outcomes}{Total number of outcome} = \frac{72}{200} = 0.36$

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Similar questions

Outcome	3 heads	2 heads	1 head	No head
Frequency	23	72	77	28

\begin{matrix} O u t c o m e & 3 h e a d s & 2 h e a d s & 1 h e a d & N o h e a d F r e q u e n c y & 23 & 72 & 77 & 28 \end{matrix}

200

Outcome	$3 h e a d s$	$2 h e a d s$	$1 h e a d$	No head
Frequency	$23$	$72$	$77$	$28$

2

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes.

$\begin{matrix} O u t c o m e s & 3 h e a d s & 2 h e a d s & 1 h e a d & N o h e a d F r e q u e n c y & 23 & 72 & 77 & 28 \end{matrix}$

Compute the probability of 2 heads coming up.

100

- 14

- 38

- 36

- 12

2

3

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Outcome	$3$ heads	$2$ heads	$1$ head	No head
Frequency	$23$	$72$	$77$	$28$