Pls help and take your time cuz if I get this wrong I fail WILL MARK BRAINIEST

Mathematics

2 answers:

grin007 [14]3 years ago

7 0

The slope of the line is 7 because it is a slope

antoniya [11.8K]3 years ago

4 0

The lines slope is 7 hope you pass :)))

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A battery has a lifetime that is approximately normally distributed with a mean of 600 hours and a standard deviation of 50 hour

miss Akunina [59]

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A. Your battery is likely defective since such poor performance is extremely unlikely.

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When the distribution is normal, we use the z-score formula.

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

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

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In this question, we have that:

$\mu = 600, \sigma = 50$