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irinina [24]
3 years ago
7

Suppose you have a normally distributed set of data pertaining to a standardized test. The mean

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0
<span>The formula to find the z score in a normally distributed set of data is: z = (x - ÎĽ) / Ď With ÎĽ being the mean, Ď being the standard deviation, and x being the score. Substituting these values into the formula gives us z = (800 - 500) / 100 = 3 The z-score of the 800 point score is 3.</span>
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WILL MARK YOU BRAINLIEST. Please help
olya-2409 [2.1K]

Answer:

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Step-by-step explanation:

Well, it's actually relatively simple.

The first thing to do would be to write this in a fraction form. You payed 72,000 out of 360,000.

72,000/360,000.

now you take that fraction, and convert it's to its decimal form which will give you a 0.2.

0.2 in decimal form is converted to 20.0% (when you convert a decimal to a fraction, you multiply by 100, or move the decimal two places to the right).

Another way to do this is simplifying the fraction.

take 72,000/360,000 and find what X is when

72,000/360,000 = x/100

you will find that 72,000/360,000 Is equal to 20/100. since percents are calculated as out of a hundred. your answer would still come out as 20%

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