3 years ago

PLEASE HELP its multiple choice i’ll mark brainliest and i added a couple points

1 answer:

7 0

Answer:

i think it the third one but i don't know i'm not in collage math class so...

Step-by-step explanation:

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VashaNatasha [74]

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Nezavi [6.7K]

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AURORKA [14]

Solution: We are given:

$\mu=15, \sigma=5$

Using the empirical rule, we have:

$\mu \pm \sigma$ covers 68% of data.

Also the percentage of values below mean = Percentage of values above mean = 50%

Now, let's find the z score for x=20

$z=\frac{20-15}{5}=1$

Therefore, the percentage of values greater than 1 standard deviation above mean $50\% - \frac{68\%}{2} =50\%-34\%=16%$

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3 years ago

yawa3891 [41]

Answer: (X) = y => b^y = x

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Studentka2010 [4]

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3 years ago