What is the probability of getting two heads when a coin is tossed twi...
Probability of getting two heads when a coin is tossed twice:
To find the probability of getting two heads when a coin is tossed twice, we need to consider the possible outcomes and calculate the probability of the desired outcome.
Possible outcomes:
When a coin is tossed, there are two possible outcomes for each toss - heads (H) or tails (T). So, for two tosses, there are a total of four possible outcomes:
1. HH (heads on both tosses)
2. HT (heads on the first toss, tails on the second toss)
3. TH (tails on the first toss, heads on the second toss)
4. TT (tails on both tosses)
Desired outcome:
We are interested in finding the probability of getting two heads (HH).
Calculating the probability:
The probability of an event happening is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.
In this case, the number of favorable outcomes is 1 (HH) and the total number of possible outcomes is 4 (HH, HT, TH, TT).
So, the probability of getting two heads when a coin is tossed twice is 1/4 or 0.25.
Therefore, the correct answer is option 'C' - 1/4.