Table of Contents
What is the probability of getting two heads when 3 coins are tossed?
When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT, TTH, THH, HTH, HHT. (i) Let E 1 denotes the event of getting all tails. Hence the required probability is ⅛. (ii) Let E 2 denotes the event of getting two heads. Hence the required probability is ⅜.
When 3 unbiased coins are tossed once what are the possible outcomes?
When 3 unbiased coins are tossed once. When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT, TTH, THH, HTH, HHT. (i) Let E 1 denotes the event of getting all tails. Hence the required probability is ⅛. (ii) Let E 2 denotes the event of getting two heads.
What is the probability of flipping a coin 3 times?
Three coin flips, each with two outcomes, result in eight possibilities, each with probability 1/8 (1 over 2 to the third power). So let’s do this for the particular case of enumerating all the ways those three coins can appear.
How many times do three heads appear on a coin?
Example 2: In an experiment, three coins are tossed simultaneously at random 250 times. It was found that three heads appeared 70 times, two heads appeared 55 times, one head appeared 75 times and no head appeared 50 times. find the probability of: (i) Let E 1 denotes the event of getting three heads.
What happens when you toss three coins simultaneously?
We know that when a coin is tossed, the outcomes are head or tail. We can represent head by H and tail by T. Now consider an experiment of tossing three coins simultaneously. The possible outcomes will be HHH, TTT, HTT, THT, TTH, THH, HTH, HHT.
What are the odds of getting 2 heads and a tail?
When you look at it, there are basically three ways to get 2 heads and a tail: HHT, HTH, THH. So, that give us our numerator: 3. Now, presuming that all three coins are fair, that means that each coin thrown has a 1/2 chance of going heads and a 1/2 chance of going tails. So, our total number of outcomes is 2*2*2, or 8.
What is the total event of tossing the first coins?
When the coin has tossed, there are 2 possible outcomes, which shows either a tail or head. The event is denoted with the letter (E) The total event is the event of tossing the first coins. The 1st event of tossing the first coins This event can be defined in 2 ways The 2nd event of tossing the second coin This event can be defined in 2 ways