alleryA fair coin is tossed twice. How many outcomes are there in the sample space?
A$2$
B$4$
C$6$
D$8$
Answer & Solution
Correct answer: B. $4$
Each toss has 2 possible outcomes (H or T), and the tosses are independent.
By the multiplication principle, the sample space has $2 \times 2 = 4$ outcomes: {HH, HT, TH, TT}.
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