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The test scores for the analytical writing section of a particular standardized test can be approximated...

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Question

Statistics

The test scores for the analytical writing section of aparticular standardized test can be approximated by a normal​distribution, as shown in the figure.

​(a) What is the maximum score that can be in the bottom

20%

of​ scores?

​(b) Between what two values does the middle

60%

of scores​ lie?

the mean is 3.3

the standard deviation is 0.77

* please show steps to solve for both for reference, thanks!

Answer & Explanation Solved by verified expert
4.3 Ratings (847 Votes)
Refer Standard normal tableZtable Lookup for    See Answer
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