3 years ago

PLSSS ANWSER QUICK!! HASSS TO BE RIGHTT. will mark you brainliest if you anwser right!! plus 10 points!

Mathematics

1 answer:

Alchen [17]3 years ago

8 0

Answer:

-1x*3y=4

Step-by-step explanation:

You can probably find the answer trough this

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The average test scores for a particular test in algebra was 84 with a standard deviation of 5. What percentage of the students

Delicious77 [7]

Answer:

The percentage of the students scored higher than 89% is 15.87%

Step-by-step explanation:

we are given

The average test scores for a particular test in algebra was 84

so, mean is 84

$\mu=84$

a standard deviation of 5

so,

$\sigma=5$

we have

x=89

now, we can use z-score formula

$z=\frac{x-\mu}{\sigma}$

now, we can plug values

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now, we can use calculator

and we get

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So,

The percentage of the students scored higher than 89% is 15.87%

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