Multiple choice

Six coins are tossed simultaneously, find the probability of getting 4 tails or 3 heads. छह सिक्कों को एक साथ उछाला जाता है, 4 पूंछ या 3 शीर्ष प्राप्त होने की संभावना ज्ञात कीजिये।

  1. 1/8

  2. 1/4

  3. 17/64

  4. 35/64

  5. 1/2

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

Total outcomes when tossing 6 coins = 2^6 = 64. For 4 tails: C(6,4) = 15 outcomes. For 3 heads: C(6,3) = 20 outcomes. Since these are mutually exclusive events (4 tails means exactly 2 heads, not 3 heads), total favorable outcomes = 15 + 20 = 35. Probability = 35/64.