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vivado [14]
4 years ago
6

How many numbers in the data set are within 1 standard deviation of the mean?

Mathematics
1 answer:
Crazy boy [7]4 years ago
4 0
The answer to this question would be: A.13

In this question, the mean is 20.2 and the standard deviation is 2.4. That means the range for of 1 standard deviation would be 20.2 +- 2.4= 17.8- 22.6
The number that included in that range would be 18-22. Then you just need to add them all

18  =2
19  =3
20 =4
21  =3
22 =1
The answer would be: 2+3+4+3+1 = 13
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tankabanditka [31]

Answer: 120 seconds

Step-by-step explanation: In order to find the maximum value of a function, you can take the derivative of the function and equalize the result to 0.

f'(x)=(-3x^2 + 12x)'=-6x+12=0

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When x is 2, the function will reach its maximum value.

f(2)=-3(2)^2 + 12.2 = -12 + 24 = 12

The maximum value (f(x)) is equal to 12 and the time passed is 2 minutes which is equal to 120 seconds.

6 0
3 years ago
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3 years ago
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Dimas [21]
Ok so area=pir^2

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therfor the answer is no

it is because the radius is squaered so the doubled gets doubled makng it quadrupuled when the first one only gets doubled
8 0
3 years ago
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8 0
3 years ago
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lorasvet [3.4K]

Answer:

tan(F)

Step-by-step explanation:

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