How many possible outcomes are there for the experiment of choosing rock paper or scissors at random?
Breaking it down, there are a total of nine possible matchups, giving each outcome a probability of 1/9. Three of these outcomes are ties, giving a probability of 1/3. This leaves 6/9 probability that choice1 and choice2 are different. Show
Now 3/6 are choice1 and 3/6 are choice2. Notice how the probability that either will win is 1/2? This suggests a very simple nested if structure. The fact that we return for both true and false conditions in the nested if’s rules out the need for
So now we see that the inner if’s will be
I’ll leave you put it all together. Just insert this if pattern into the above three if’s. Edit as needed in each case, using text and variable names given in the lesson. Example 1
Determine the sample space for the following experiment: Choosing one of the four possible aces from a standard deck of cards. Example 2
Determine the sample space for the following experiment: Choosing a club from a standard deck of cards. Example 3
Determine the sample space for the following experiment: Flipping two coins at the same time. Example 4
Write the set for the following event: Rolling an odd number on a standard 6-sided die. Example 5
Write the set for the following event: Getting heads on a coin flip. Example 6
Write the set for the following event: Getting exactly one head after flipping two coins. Example 7
How many possible outcomes are there for the experiment of choosing rock, paper, or scissors at random? Example 8
How many possible outcomes are there for the experiment of choosing a color of the rainbow at random? What is the sample space? Example 9
What is the probability of rolling a 5 with a fair die? Example 10
What is the probability of rolling either 1 or 2 with a fair die? Example 11
What is the probability of drawing the ace of spades at random from a deck of cards (no jokers)? The one in your sleeve doesn't count. Example 12
What is the probability of drawing a king at random from a deck of cards (no jokers)? The one in your right pant leg doesn't count. Example 13
What is the probability of drawing a king at random from a deck of cards (with 2 jokers included)? Example 14
What is the probability of landing at least one tail with two fair coin flips? Example 15
What is the probability of landing exactly two heads with three fair coin flips? Source: Huntstock.com/Shutterstock “No washing dishes for me tonight," I said after I beat my sister at a game of Rock-Paper-Scissors (RPS). I was 10, and RPS was our “go-to” game of fate to decide all kinds of issues. Little did I know that RPS was not a game of chance, but a strategic system with a strong psychological foundation. RPS probably dates back to the Han Dynasty in China (206 BC – 220AD). The game, known as “sansukumi-ken” in Japan (hand, three-way, deadlock), has used fingers and hands to represent a variety of different symbols in addition to rock, paper, and scissors, including slugs, poisonous centipedes, frogs, and hunters. By the 20th century, RPS had spread to the West. English names such as roshambo, ick-ack-ock, ching-chang-walla, or stone-paper-scissors have also been used. RPS is technically a zero-sum hand game (meaning one person’s loss is exactly equal to another person’s gain) played between two people in which each player simultaneously creates one of three shapes with their hand. The shapes are “rock” (a fist), “paper” (a flat hand), and “scissors” (a fist with the index and middle fingers forming a V). Source: Neil Farber There are four possible outcomes: 1) tie; 2) rock crushes scissors; 3) paper covers rock; 4) scissors cut paper. (For those looking for an in-depth discussion of RPS, check out The Official Rock Paper Scissors Strategy Guide by Douglas Walker and Graham Walker. Several of the strategies are based on this book and those found at the World RPS Society Website—yes, there is a World RPS Society.) Many people (including me) may have thought that RPS was similar to flipping coins or throwing dice—a useful method to choose something at random. However, there’s far more to the game than meets the eye. RPS involves observation, mindfulness, manipulation, emotional intelligence, strategy, and skill. And some of that skill involves exploiting your opponent’s non-random behavior. If people were truly playing RPS in random fashion, it would be impossible to employ any strategy. You would do best to just choose your weapon at random. Eventually, you would have an equal likelihood of winning, losing, or tying. Several small-scale experiments have confirmed this strategy—where every player chooses the three actions with equal probability in each round—often seems to be in effect. Source: Neil Farber Then a study out of China by Zhijian Wang at Zhejiang University suggested that RPS is actually a game of psychology more than chance, thus making it possible to exploit your opponent’s predictable patterns. Zhijian and colleagues looked at 360 students divided into 60 groups. In each group, the players played 300 rounds of RPS against each other. The winners were paid in proportion to the number of their victories. On the surface, the results of the study appeared to be no surprise: The players in all the groups chose each action about one-third of the time—just as if it was random. But taking a closer look at their behavior uncovers a strategy called “conditional response,” or what turns out to be a “win-stay, lose-shift” strategy. These findings inspire further questions as to whether this conditional response is a hard-wired neural mechanism or a learned process intrinsic in basic decision-making. When players try to employ some kind of strategy, they decrease the chances that the game will remain random. Source: Neil Farber Here are psychological strategies employed by RPS aficionados to use against non-random opponents.
As a result of RPS contests, many complex algorithms have been developed with heuristically designed strategies, sub-strategies and meta-strategies based on past performances, frequency analysis, history matching, multi-history matching, and even random guessing. Of course, if you were fortunate enough to have very keen observational skills and lightning-fast reflexes, you’d have an amazing advantage. When the robot hand from the University of Tokyo plays RPS, it uses a high-speed camera to recognize within one msec. which shape the human hand is making, and delivers the winning shape 100 percent of the time. Source: Public Domain What Does This All Mean in Terms of Real Life?
Whether you compete for money, to get out of doing the dishes, or to avoid being the one to do push-ups, don’t rely on chance: Incorporate some of these psychological strategies. Check out my book, Making Lemonade: 101 Recipes to Convert Negatives into Positives. How many possible outcomes are there for the experiment choosing a rock or a paper or a pair of scissors at random Brainly?Answer: There are 9 combinations overall in the given situation.
How many possible outcomes are there for the experiment of choosing a color of the rainbow at random What is the sample space?How many possible outcomes are there for the experiment of choosing a color of the rainbow at random? What is the sample space? There are 6 possible outcomes, and the sample space is {red, orange, yellow, green, blue, purple}. Or 7, if you want to give indigo and violet each their due.
Is RockPlayers who play Rock-Paper-Scissors have an equal probability of winning, assuming that both players choose options completely randomly. Unfortunately, this is not the case. Rock-paper-scissors actually may not be the most accurate way of deciding something truly randomly.
How are RockEach choice of rock, paper or scissors should be normalized to 1 with equal probability. Theoretically, they would be equally likely, so Rock=0.33, Paper=0.33 and Scissors=0.33.
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