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If Z has a standard normal distribution,find P(-1 ≤ Z ≤ 2).
Conciseness
The quality of being brief and to the point, eliminating unnecessary words while conveying an idea clearly.
Unnecessary Words
Superfluous words or phrases in a text that do not add meaningful information and can be removed without loss of clarity.
Grammatically Correct
Adhering to the rules and conventions of the grammar of a language.
Hedge Sentence
A statement made with cautious language to lessen the impact or assertiveness of the claim, often used to introduce uncertainty or avoid directness.
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