01/24/24

Please answer the following question.

Suppose x has a distribution with a mean of 60 and a standard deviation of 21. Random samples of size n = 36 are drawn. Find the z value corresponding to x = 53.z=Find P(x < 53). (Round your... more

01/22/24

Question Regarding Z-Score Concept

I'm grappling with the concept of z-scores and their relationship to standard deviations. I used a z-score calculator (https://zscorecalculator.org) for a dataset, and my result was a z-score of... more

12/08/14

Z is a standard normal random variable. The P(z>=2.11) equals?

Z is a standard normal random variable. The P(z>=2.11) equals?  

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