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BND-33 - If you want to get the probability of getting a certain number of single or double rolls in a game of dice, you can use the binomial distribution. The binomial distribution is used to determine the probability of getting a certain number of successes in a fixed number of trials, where each trial has the same probability of success.Here's how you can use the binomial distribution to calculate the probability:### Step 1: Define the parameters- **n** is the number of trials (number of rolls)- **p** is the probability of getting a specific number (e.g., 1/6 for a standard dice)- **k** is the number of successes (e.g., number of times that a specific number is rolled)### Step 2: Calculate the probabilityThe probability of getting k successes in n trials is given by the formula:[ P(X = k) = inom{n}{k} cdot p^k cdot (1 - p)^{n - k} ]where (inom{n}{k}) is the binomial coefficient, which can be calculated as:[ inom{n}{k} = frac{n!}{k! cdot (n - k)!} ]### Step 3: Input the valuesReplace the parameters with the appropriate values to calculate the probability.For example, if you want to find the probability of getting 5 single rolls of 6 in 10 trials, define:- n = 10- p = 1/6- k = 5Use the formula:[ P(X = 5) = frac{10!}{5! cdot (10 - 5)!} cdot (1/6)^5 cdot (5/6)^{5} ]Calculate the values to determine the result.Following these steps will help you calculate the probability of a certain number of single or double rolls in a game of dice using the binomial distribution.
2008年5月4日
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