Given a standardized normal distribution with a mean of 0 and a standard deviation of 1, what is the probability that z is less than 1.57?

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02-02-2018
Mathematics

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Given a standardized normal distribution with a mean of 0 and a standard deviation of 1, what is the probability that z is less than 1.57?

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tonb tonb · Answer 1 · 2018-02-02T13:12:37+01:00

tonb tonb

02-02-2018

Since this is the standard distribution, you can look up the value for z<1.57 in the standard normal distribution table.

This represents the area under curve shaded grey in below picture.
The area is 0.94179. (So, it's not a calculation, but a lookup).

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