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3 years ago

What number is 70% of 850

Mathematics

2 answers:

suter [353]3 years ago

6 0

Answer:

595

Step-by-step explanation:

4vir4ik [10]3 years ago

5 0

10 divided by 850 is 85. We want 70%. 7x10% is 70%. 7x85 is 595.

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maksim [4K]

6.68% of the students scored at least 19 points on this test while the 85 percentile has a test score of 24.08 points

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

$z=\frac{x-\mu}{\sigma} \\\\where\ \mu=mean.\sigma=standard\ deviation, x=raw\ score\\\\Given\ that\ mean(\mu)=22,standard \ deviation (\sigma)=2\\\\For\ x>19:\\\\z=\frac{22-19}{2}=1.5$

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b) 85 percentile corresponds to a z score of 1.04

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Find out more at: brainly.com/question/25012216

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3 years ago

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3 years ago

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What number is 70% of 850​

What number is 70% of 850