elifrancis0405 elifrancis0405

20-12-2020
Mathematics

contestada

If a data set has mean of 150 and a standard deviation of 25, what is the z-score of an element with a value of 250?

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popcornpizzas popcornpizzas

28-12-2020

Answer:

Z-score is 4

Step-by-step explanation:

N(150, 25^2)

Use z-score formula (can be found from internet with miu and sigma symbol)

[tex]z = \frac{250 - 150}{25} \\ z = \frac{100}{25} \\ z = 4[/tex]

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