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goldenfox [79]
3 years ago
15

Can you no come in to this question we dont know you.

Mathematics
2 answers:
xeze [42]3 years ago
8 0

Answer:

yes

Step-by-step explanation:

crimeas [40]3 years ago
7 0

Answer:

No

Step-by-step explanation:

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If all the possible random samples with n = 36 scores are selected from a normal population with µ = 50 and σ = 18, and the mean
ozzi

Answer:

Expected Value of M is 50 and the Standard Error of M is 3

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation, also called standard error s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this problem, we have that:

µ = 50 and σ = 18

For the sample

Mean 50 and standard error s = \frac{18}{\sqrt{36}} = 3.

The answer is:

Expected Value of M is 50 and the Standard Error of M is 3

7 0
3 years ago
in the system shown below, what are the coordinates of the solution that lies in quadrant I? x^2-y^2=25, x+y=25
vodomira [7]
The given equations in this item are,
                     x² - y² =25
and 
                    x + y = 25

It can be deduced that the first equation is a difference of two squares and can be factored out as that one shown below.
           (x - y)(x + y) = 25

From the second equation, x+y = 25. Substituting this to the equation above,
             (x-y)(25) = 25
Hence, x - y = 1

The system of linear equations is,
                  x + y = 25
                  x - y = 1
Adding the equations together,
         2x = 26
        x = 13

The value of y is 12.

Since both x and y are positive values then, this solution lies in the first quadrant.

ANSWER: (13,12)
5 0
4 years ago
Steve is trying to increase his average pace per mile by running hills. The hill on 1st Avenue rises 3 vertical feet for each ho
marissa [1.9K]
1st Avenue would be more difficult because it’s rise and run is for every one foot forward it is 3 feet up. Meanwhile avenue 16th would start at (3,1) and the rise and run would be for every 3 feet it would go up 1 foot.
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4 years ago
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Sasha has an appointment at the hair salon and needs to stop at the ATM on her way there to get money for the service. Sasha kno
sdas [7]
Yes because $56 + 6.25% = 56.0625
And 15% of 56.0625 is 8.409375
So, 56.0625 + 8.409375 = $64.471875 making the total right under $65.
8 0
3 years ago
Evaluate when x = -3 and y= -1:<br><br><br> x-xy=
LenKa [72]
-3-(-3)(-1)= 0, so 0 is the solution
5 0
3 years ago
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