Mathematics: Name the angle that is supplementary to ∠cob

Name the angle that is supplementary to ∠cob - id1416302, genyjoannerubiera

Ответ:

martinezarielys17

15.02.2021

Mathematics

Z = 2

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 21 and a standard deviation of 5.

This means that $\mu = 21, \sigma = 5$

Find the Z score for a student that gets a 31

This is Z when X = 31. So

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{31 - 21}{5}$

Z = 2

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Name the angle that is supplementary to ∠cob

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