3 years ago

What number increased by 11.8% equals 185

Mathematics

1 answer:

expeople1 [14]3 years ago

3 0

Answer:165.47

Step-by-step explanation:

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weqwewe [10]

Answer:

More than half I think its based off of a 1-10% scale

Step-by-step explanation:

it's greater than 5%

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k0ka [10]

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4 years ago

The amounts of time employees of a telecommunications company have worked for the company are normally distributed with a mean o

Fynjy0 [20]

Answer:

a) 5.6 years

b) 0.4478

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 5.6 years

Standard Deviation, σ = 1.9 years

Sample size, n = 18

We are given that the distribution of amounts of time is a bell shaped distribution that is a normal distribution.

a) Mean of each sample.

The best estimator of the sample mean is the population mean itself. Thus, we have:

$\mu_{x} = \mu = 5.6$

Thus, the sample mean is 5.6 years.

b) Standard error

Formula:

$S.E = \dfrac{\sigma}{\sqrt{n}}$

Putting values, we have.

$S.E = \dfrac{1.9}{\sqrt{18}} = 0.4478$

Thus, the standard error is 0.4478.

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3 years ago