1.

A coin is tossed up 4 times. The probability that tails turn up in 3 cases is ______

A. \(\frac{1}{2} \)
B. \(\frac{1}{3} \)
C. \(\frac{1}{4} \)
D. \(\frac{1}{6} \)
Answer» B. \(\frac{1}{3} \)


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