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Anastaziya [24]
3 years ago
13

Can somebody please help me!!!!!!!!!!!!! Don’t answer if your not correct please

Mathematics
2 answers:
givi [52]3 years ago
6 0

Step-by-step explanation:

Nuetrik [128]3 years ago
4 0

Answer:

7x+5=2x+35

7x-2x=35-5

5x=30

x=6

now solving inequality

7x+5>2x+35

putting the value of x we get

7×6>2×6+35

42>42

I don't step after this. sorry.

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An 8 metre long ramp reaches a vertical height of 3 feet. What angle does it make with the ground. Convert 8 metres to feet and
castortr0y [4]

Answer:

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Step-by-step explanation:

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3 years ago
The distribution of actual weights of 8-ounce wedges of cheddar cheese produced at a dairy is Normal with mean 8.1 ounces and st
Sonja [21]

Answer:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

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Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The central limit theorem states that "if we have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large".

Let X the random variable weights of 8-ounce wedges of cheddar cheese produced at a dairy. We know from the problem that the distribution for the random variable X is given by:

X\sim N(\mu =8.1,\sigma =0.2)

We take a sample of n=10 . That represent the sample size.

What can we say about the shape of the distribution of the sample mean?

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\bar X \sim N(\mu=8.1, \frac{0.2}{\sqrt{10}}=0.063)

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<span>The answer is 0.825.
</span>
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