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Sergio [31]
3 years ago
7

}{4ab^{9} }" alt="\frac{-12a^{3}b }{4ab^{9} }" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Leokris [45]3 years ago
3 0

Answer:

45%-6

Step-by-step explanation:

because the question is wrong

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Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 76.676.6
faltersainse [42]

Answer:

Step-by-step explanation:

Researchers measured the data speeds for a particular smartphone carrier at 50 airports.

The highest speed measured was 76.6 Mbps.

n= 50

X[bar]= 17.95

S= 23.39

a. What is the difference between​ the carrier's highest data speed and the mean of all 50 data​ speeds?

If the highest speed is 76.6 and the sample mean is 17.95, the difference is 76.6-17.95= 58.65 Mbps

b. How many standard deviations is that​ [the difference found in part​ (a)]?

To know how many standard deviations is the max value apart from the sample mean, you have to divide the difference between those two values by the standard deviation

Dif/S= 58.65/23.39= 2.507 ≅ 2.51 Standard deviations

c. Convert the​ carrier's highest data speed to a z score.

The value is X= 76.6

Using the formula Z= (X - μ)/ δ= (76.6 - 17.95)/ 23.39= 2.51

d. If we consider data speeds that convert to z scores between minus−2 and 2 to be neither significantly low nor significantly​ high, is the​ carrier's highest data speed​ significant?

The Z value corresponding to the highest data speed is 2.51, considerin that is greater than 2 you can assume that it is significant.

I hope it helps!

3 0
3 years ago
What is the domain of the graph?
maksim [4K]
Domain:
-4 ≤ x ≤ 3
or in different form:
x ∈ [-4; 3]
4 0
3 years ago
Air Jordans cost the Nike Corporation $25 to manufacture in a factory.
Zina [86]

Answer:

n4ur84234r

Step-by-step explanation:

3874rfbh dc

6 0
2 years ago
Help me with 8-9 if you get it right i would give you brain list have a good day!
ad-work [718]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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46 decreased by twice the number
snow_lady [41]

-46

Hope this helps!

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2 years ago
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