The distribution of the number of occurrences of the letter t on the pages of a book is found to be a normal distribution with a mean of 44 and a standard deviation of 18. If there are 500 pages in the book, which sentence most closely summarizes the data?

The letter t occurs less than 26 times on approximately 170 of these pages.
The letter t occurs less than 26 times on approximately 15 of these pages.
The letter t occurs more than 26 times on approximately 420 of these pages
The letter t occurs more than 26 times on approximately 80 of these pages.

Question

The distribution of the number of occurrences of the letter t on the pages of a book is found to be a normal distribution with a mean of 44 and a standard deviation of 18. If there are 500 pages in the book, which sentence most closely summarizes the data?



 
The letter t occurs less than 26 times on approximately 170 of these pages.
The letter t occurs less than 26 times on approximately 15 of these pages.
The letter t occurs more than 26 times on approximately 420 of these pages
The letter t occurs more than 26 times on approximately 80 of these pages.

Mercury · Answer

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