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1 year ago

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What does it mean when you develop a tolerance for a medication brainly

1 answer:

Mnenie [13.5K]1 year ago

5 0

When a person no longer responds to a drug in they way they did at first

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Which one of these would have the strongest gravitational pull?

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On a job search, strong writing skills are important when preparing a _<br> and a cover letter.

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2 years ago

At a large corporation, the distribution of years of employment for the employees has mean 20.6 years and standard deviation 5.3

Cerrena [4.2K]

Answer:

Yes

Explanation:

The z score is a score used in statistics to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

$z=\frac{x-\mu}{\sigma}\\\\where\ \mu=mean.\sigma=standard\ deviation, x=raw\ score.\\\\For\ a \ sample\ size\ n:\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }$

For a normal distribution with a mean of μ and standard deviation σ, For any sample size (n) drawn from this population, the sample mean is normally distributed, with mean $\mu_x=\mu$ and standard deviation $\sigma_x=\frac{\sigma}{\sqrt{n } } \\\\$ .

Hence given that a mean of μ = 20.6 years and standard deviation σ = 5.3 years, for a sample size of 100:

mean $\mu_x=\mu=20.6\ years$ and standard deviation $\sigma_x=\frac{\sigma}{\sqrt{n } } =\frac{5.3}{\sqrt{100} }=0.53\ years \\\\$ .

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2 years ago