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What Is the Probability of Choosing a Vowel from the Alphabet?

Last Updated : 26 Feb, 2024
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Answer: The probability of choosing a vowel from the alphabet is 5/26.

In the English alphabet, which consists of 26 letters, there are five vowels: A, E, I, O, and U. To find the probability of choosing a vowel randomly from the alphabet, you can use the probability formula:

[Tex]\text{Probability} = \frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}[/Tex]

In this context:

  • Number of favorable outcomes (choosing a vowel) = 5 (A, E, I, O, U)
  • Total number of possible outcomes (letters in the alphabet) = 26

Substituting these values into the formula, you get:

[Tex]\text{Probability} = \frac{5}{26}[/Tex]

This fraction represents the likelihood of randomly selecting a vowel from the alphabet. It can also be expressed as a decimal (approximately 0.192) or a percentage (approximately 19.23%).

So, the interpretation is that, if you were to pick a letter randomly from the English alphabet, there is a 5 in 26 chance that the selected letter will be a vowel. The probability is relatively low because there are more consonants than vowels in the alphabet. This probability calculation is a simple example of how probability can be applied to understand the likelihood of specific outcomes in a set of possibilities.

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