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Gnoma [55]
3 years ago
10

Molly has decided to set up a budget after

Mathematics
1 answer:
beks73 [17]3 years ago
6 0

Answer:

D, 1600

Step-by-step explanation:

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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}})

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

approximately Normal, mean 8.1, standard deviation 0.063.

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?

From the central limit theorem we know that the distribution for the sample mean \bar X is also normal and is given by:

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

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

approximately Normal, mean 8.1, standard deviation 0.063.

3 0
4 years ago
Need help with the picture​
Katen [24]

Answer:

E F D C A B

Step-by-step explanation:

thats the order the letters go in

5 0
3 years ago
Read 2 more answers
Can someone pls help me.. thanks <3 Factor 15x^2y^2-3x^3y+75x^4 Show your work.
8_murik_8 [283]

Answer:

3(x^y(5x^2y-x³)+25x⁴))

Step-by-step explanation:

15x^2y²-3x^3y+75x⁴

From 15x^2y²-3x^3y only, 3x^y is the common factor

=> 3x^y(5x^2y-x³)+75x⁴

Taking the common factor of the latter expression, 3 shows to be the common factor of all the expression.

=> 3(x^y(5x^2y-x³)+25x⁴)

6 0
3 years ago
29-3x=5x+5<br><br><br> Can you work it out
Rzqust [24]

Answer:

x=3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A company invests $94,000 for equipment to produce a new product. each unit of the product costs $11.20 and is sold for $16.98.
antoniya [11.8K]
Number of units = x

(a) c(x)= $94000 + 11.2x

(b) r(x) = 16.98x

(c) p(x) = 16.98x - 11.2x - 94000
     p(x) = 5.78x - 94000
5 0
4 years ago
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