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If tossing three coins at a time the probability of getting...

This question belongs to Arithmetic Ability Probability
Probability
?

If tossing three coins at a time, the probability of getting at least one heads is:

Answer & Solution
Correct Answer: Option D
At least one head come at least one time, it come also there will be only event in which all three will tale, in which even 1 will not head otherwise less in each at least one head come.
Probability = $$\frac{7}{8}$$
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