Two coins are tossed 1000 times and the outcomes are recorded as given

1.	Two coins are tossed 1000 times and the outcomes are recorded as given below: Number of heads210Frequency200550250 Now, it two coins are tossed at random, what is the probability of getting at most one head? (a) 34 (b) 45 (c) 14 (d) 15
Answer» Two coins are tossed 1000 times and the outcomes are recorded as given below: $\begin{matrix} Number of heads & 2 & 1 & 0 Frequency & 200 & 550 & 250 \end{matrix}$ Now, it two coins are tossed at random, what is the probability of getting at most one head? (a) $\frac{3}{4}$ (b) $\frac{4}{5}$ (c) $\frac{1}{4}$ (d) $\frac{1}{5}$

Two coins are tossed 1000 times and the outcomes are recorded as given below: Number of heads210Frequency200550250 Now, it two coins are tossed at random, what is the probability of getting at most one head? (a) 34 (b) 45 (c) 14 (d) 15

Answer»

Two coins are tossed 1000 times and the outcomes are recorded as given below:

$\begin{matrix} Number of heads & 2 & 1 & 0 Frequency & 200 & 550 & 250 \end{matrix}$

Now, it two coins are tossed at random, what is the probability of getting at most one head?

(a) $\frac{3}{4}$

(b) $\frac{4}{5}$

(d) $\frac{1}{5}$