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HESI Math Practice Exam

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What is the probability of flipping a coin and getting heads?
Correct Answer:
0.5
Explanation:
The probability of flipping a coin and getting heads is 0.5. In a fair coin, there are two equally likely outcomes: heads and tails. The probability of an event can be calculated as the number of favorable outcomes divided by the total number of possible outcomes. Here, there is 1 favorable outcome (getting heads) out of 2 possible outcomes (heads or tails). Therefore, the calculation is: \[ \text{Probability of heads} = \frac{\text{Number of favorable outcomes (heads)}}{\text{Total number of outcomes (heads + tails)}} = \frac{1}{2} = 0.5 \] This shows that there is a 50% chance of getting heads on a single flip of a coin, reinforcing why the answer is 0.5.

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