The probability is 1/2 that a coin will turn up heads on any toss. If the coin is to be tossed three times, what is the probability that on at least one of the tosses the coin will turn up tails?
The probability is 1/2 that a coin will turn up heads on any toss. If the coin is to be tossed three times, what is the probability that on at least one of the tosses the coin will turn up tails? Correct Answer None of these
প্রতিবার টসে Head পড়ার সম্ভাব্যতা 12 ∴ প্রতিবার " tail " " 12 ∴ তিনবার " tail " " 3×12 = 32