Suppose That a "Word" Is Any String of Seven Letters

question 137

Short Answer

suppose that a "word" is any string of seven letters of the alphabet, with repeated letters allowed.
-How many words begin with a vowel or end with a vowel?

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Definitions:

Interval Estimate

An estimate of a population parameter that specifies a range of possible values.

Constituency

A body of voters in a specified area who elect a representative to a legislative body.

Significance Level

The probability of rejecting the null hypothesis when it is actually true, often denoted by alpha (α) and used as a threshold in hypothesis testing.

Percentage Points

A unit for the difference of two percentages, reflecting the absolute difference between them.