Webb14 okt. 2024 · The probability is 1/2 that a certain coin will turn up heads on any given 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? (A) 1/8 (B) 1/2 (C) 3/4 (D) 7/8 (E) 15/16 Show Answer Most Helpful Expert Reply L Bunuel Math Expert Joined: 02 Sep 2009 Posts: 88790 Webb15 dec. 2024 · Suppose we have 3 unbiased coins and we have to find the probability of getting at least 2 heads, so there are 2 3 = 8 ways to toss these coins, i.e., HHH, HHT, …
A coin is tossed three times. Find the probability of the following ...
Webb382 views, 20 likes, 4 loves, 15 comments, 16 shares, Facebook Watch Videos from Ishfaq - The Gamer: Like, comment and share Webb24 jan. 2024 · Getting at least two heads; If we let E5 be the event of acquiring at least 2heads, then E5= (HHT, HTH,THH, and HHH) and therefore, n(E5)=4. Applying the probability formula, we find out that the P(getting at least 2 heads)= P(E5)= n(E5)/ n(S)=4/8=1/2. The probability of getting at least two heads from tossing a coin three … how to solve for x using logs
Probability of 2 Heads in 4 Coin Tosses - getcalc.com
Webb21 feb. 2024 · We can use the following general formula to find the probability of at least two successes in a series of trials: P(at least two successes) = 1 - P(zero successes) - … WebbFind the probability of getting: (i) exactly two heads (ii) at most two heads (iii) at least one head and one tail (iv) no tails Medium Solution Verified by Toppr When three coins are tossed together, the total number of outcomes =8 i.e., (HHH,HHT,HTH,THH,TTH,THT,HTT,TTT) Solution (i): Let E be the event of getting exactly … WebbSolution Verified by Toppr When two coins are tossed the results are (HH,HT,TH,TT) Total no. of outcomes =4 1) Exactly one head = only two cases are (HT,TH) =42=21 2) At least one tail = There are three cases (HT,TH,TT) =43 3) No. tail = only one case (HH) =41 4) Atmost one head = three cases (HT,TH,TT) =43. Was this answer helpful? 0 0 novel 80 the mistake