Question

2. Two coins are tossed 50 times and the outcomes
are recorded as follows:
0
5
Number of heads
2
1
Frequency
20
25
Then the probability of at least one head is
(a) 0.25
(b) 0.9
(C) 0.20
(d) 0.1​

Answer 1

Answer:

Step-by-step explanation:

The probability of getting two heads when tossing two coins is 1/4. When tossing 2 coins 50 times, the expected number of tosses resulting in 2 heads is 1/4 times 50, or 12.5.