Probability Distributions Calculator

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Example

Created on 2024-06-20Asked by Mia Martin (Solvelet student)

A bag contains 5 red balls and 3 blue balls. If a ball is randomly selected from the bag, what is the probability of selecting a red ball?

Solution

To find the probability of selecting a red ball from the bag: 1. Determine the total number of balls in the bag, which is 5 red balls + 3 blue balls = 8 balls. 2. Count the number of favorable outcomes (selecting a red ball), which is 5. 3. Use the formula for probability:

\text{Probability} = \frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}.

4. Substitute the values:

\text{Probability} = \frac{5}{8}.

Therefore, the probability of selecting a red ball from the bag is

\frac{5}{8}

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Some of the related questions asked by Chloe Thomas on Solvelet

1. Find the mean and standard deviation of a binomial distribution with parameters

n = 10

and

p = 0.5

.2. Determine the probability density function of a normal distribution with mean

\mu = 3

and standard deviation

\sigma = 2

DefinitionProbability distributions are the way the probabilities are spread over the values of news random variable; Some of the most popular ones are the binominal, normal, and Poisson distributions. For example, the height of people, or your scores on a test can often be described by the normal distribution, which is a bell curve.

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