A coin is tossed 1000 times, giving 455 heads and 545 tails. The probability of getting a tail is:

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• A 0.455
• B 0.545
• C 0.5
• D 0.45

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Answer: B. 0.545

Probability (tail) = number of tails / total number of trials = 545/1000 = 0.545.

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