2 years ago

I need help help me and no links

Mathematics

1 answer:

steposvetlana [31]2 years ago

7 0

Answer:

Step-by-step explanation:

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3 years ago

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A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100.

Crank

Answer: 1.25

Step-by-step explanation:

Given: A college-entrance exam is designed so that scores are normally distributed with a mean $(\mu)$ = 500 and a standard deviation $(\sigma)$ = 100.

A z-score measures how many standard deviations a given measurement deviates from the mean.

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Therefore , the required z-score = 1.25

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3 years ago