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3 years ago

On a standardized science test, the seniors at Fillmore High School have a mean score of 430 with a standard deviation of 90.

Mathematics

1 answer:

olasank [31]3 years ago

3 0

Answer:

For random samples of 100 seniors, 68% of the sample means fall between 340 and 520

Step-by-step explanation:

As a property of normal distribution, 68% of sample means fall between mean - sigma(430 - 90 = 340) and mean + sigma (430 + 90 = 520) (here, sigma is standard deviation).

Hope this helps!

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Step-by-step explanation:

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3 years ago

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Nonamiya [84]

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3 years ago