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Please help!!!! 50 points

The number of words per sentence in a certain book is normally distributed with a mean of 21 words and a standard deviation of 4 words.

Approximately what percent of sentences in the book are less than 13 words in length?

A. 2.5%
B. 5%
C. 47.5%
D. 87.5%

Please help!!!! 50 points The number of words per sentence in a certain book is normally-example-1

2 Answers

5 votes
The answer would be - B : 5%
User George John
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4.6k points
3 votes

The answer will be:

B: 5 percent/ 5%

13 words in length will be 5%

Hope this helped

:)

User Shakeela
by
5.5k points