Based on a tree diagram of the possibilities when two coins are tossed, the theoretical probability that at least one coin is heads is B. 075.
If two coins are thrown, the possibilities would be:
There are therefore 4 possibilities and of these, heads will theoretically appear in 3.
Probability is therefore:
= 3 / 4
= 0.75
Find out more on tree diagrams at https://brainly.com/question/3854375.
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