3 years ago

What percentage of the area under a normal curve is within 1, 2, and 3 standard deviations of the mean

Mathematics

1 answer:

Lemur [1.5K]3 years ago

7 0

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You need to have a labotomy sir

Step-by-step explanation:

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Given,

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Find KJ .

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First find the value of x

$\sf \: GK \: = KJ \\\sf 2x + 10 = 3x - 15 \\\sf 2x - 3x = - 15 - 10 \\ \sf - x = - 25 \\ \sf \: - > \boxed{\bf \: x = 25}$

Now, find the value of KJ.

$\sf3x - 15 \\ \sf= 3(25) - 15 \\ \sf=7 5 - 15 \\ = \boxed{\bf \: 60}$

-> The value of KJ is 60.

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