This video explains how to determine the probability that 3 randomly typed letters with repetition are all vowels.

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#
permutation

# Probability of 3 letters With Repetition are Vowels

# Probability of 4 letters With No Repetition are Vowels

# Probability of 3 letters With No Repetition are Vowels

# Probability of 6 Letters With No Repetition

# Combinations: The Number of 3 Member Committees from 34 People

# Counting: The Number of 4 Letter Codes from 6 Letters with Various Conditions

# Zero Factorial: Why is 0! = 1?

This video explains how to determine the probability that 3 randomly typed letters with repetition are all vowels.

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This video explains how to determine the probability that 4 randomly typed letters without repetition are all vowels.

This video explains how to determine the probability that 3 randomly typed letters without repetition are all vowels.

This video explains how to determine the probability that 6 randomly typed letters have no repetition.

This video explains how to determine the number of groups of 3 can be formed from 34 people.

The video explains how to determine the number of 4 letter codes using 6 letters under various conditions.

This video provides justification as to why 0!=1 using patterns and the meaning of a permutation.