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Let the random variable Z follow a standard normal distribution,and let z1 be a possible value of Z that is unknown but identifiable by position and area.Find z1 if the symmetrical area between a negative z1 and a positive z1 is 0.9544.
Three-step Writing Process
A structured approach to writing that includes planning, drafting, and revising, aimed at improving clarity and effectiveness.
Writing Time
Designated periods dedicated to the act of writing, aimed at enhancing productivity or creativity.
Actual Writing
The process of putting thoughts, knowledge, or research into written form to communicate ideas or information.
Three-step Writing Process
A structured approach to writing that includes planning, drafting, and revising, aimed at producing a well-organized and effective document.
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