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Determine the area under the standard normal curve that lies between ​(a) Z=−1.72 and Z=1.72​, ​(b)...

Determine the area under the standard normal curve that lies between ​(a) Z=−1.72 and Z=1.72​, ​(b) Z=−2.89 and Z=0​, and ​(c) Z=−0.43 and Z=0.96.

Find the​ z-score such that the area under the standard normal curve to the left is 0.57.

Find the​ z-score such that the area under the standard normal curve to the right is 0.11.

The approximate​ z-score that corresponds to a right tail area of 0.11 is ___.

Find the​ z-scores that separate the middle 31​% of the distribution from the area in the tails of the standard normal distribution.

The​ z-scores are _____ .

​(Use a comma to separate answers as needed. Round to two decimal places as​ needed.)

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