If a fair coin is tossed twice, what is the probability of obtaining heads both times? A. 1/4. B. 1/2. C. 3/4. D. 1.
If a fair coin is tossed twice, what is the probability of obtaining heads both times?
A、 1/4.
B、 1/2.
C、 3/4.
D、 1.
发布时间:2026-02-24 07:58:41