Multiple choice

Four coins are tossed together. Find the probability of getting exactly 3 heads. चार सिक्के एक साथ उछाले जाते हैं। 3 शीर्ष प्राप्त होने की संभावना ज्ञात कीजिये।

  1. 3/8

  2. 1/8

  3. 1/4

  4. 5/16

  5. None of these / इनमें से कोई नहीं

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Total outcomes when tossing 4 coins = 2⁴ = 16. Favorable outcomes (exactly 3 heads) = C(4,3) = 4. The 4 outcomes are: HHHT, HHTH, HTHH, THHH. Probability = 4/16 = 1/4.