A fair coin is tossed twice, what is the probability of getting at least one head? * 3/4 1/2 1/3 1/4
Question
A fair coin is tossed twice, what is the probability of getting at least one head? * 3/4 1/2 1/3 1/4
Solution
The probability of getting at least one head when a fair coin is tossed twice can be calculated as follows:
Step 1: Determine the total number of outcomes. When a coin is tossed twice, there are 4 possible outcomes: HH, HT, TH, TT.
Step 2: Determine the number of outcomes that include at least one head. There are 3 such outcomes: HH, HT, TH.
Step 3: Calculate the probability. The probability of an event is the number of ways that event can occur divided by the total number of outcomes.
So, the probability of getting at least one head is 3/4.
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