Three unbiased coins are tossed once. What is the probability of getting
(i) all head ? (ii) two heads ? (iii) one head ?
(iv) at least 1 head ? (v) at least 2 heads ?

Explanation

To solve the problem of finding the probabilities for the outcomes when three unbiased coins are tossed, we can follow these steps:

### Step 1: Determine the Total Outcomes
When three coins are tossed, each coin has 2 possible outcomes: Heads (H) or Tails (T). Therefore, the total number of outcomes when tossing three coins is calculated as follows:

\[ \text{Total Outcomes} = 2^n = 2^3 = 8 \]
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