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In-s [12.5K]
2 years ago
13

A = 4 6 9 which is the correct answer?

Mathematics
1 answer:
Studentka2010 [4]2 years ago
4 0

Answer:

4?

Step-by-step explanation:

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In a class of 40 students of the total number of students like to study English and of the total number of students like to stud
RUDIKE [14]

Answer:

10/100

Step-by-step explanation:

6 0
3 years ago
Simplify the sum (3x^4 + 2x^2 + 1) + (5x^4 - 9x - 7)
Wittaler [7]

Answer:

8x^4 + 2x^2 - 9x - 6

Hope this helps!

7 0
3 years ago
Three more than the quotient of a number and 2 is equal to 8. Use the variable for the unknown number.
Hunter-Best [27]
The unknown number would be 16.
8 times 2 is 16
7 0
3 years ago
Read 2 more answers
An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average birth weight was x = 119.6 ounc
Evgen [1.6K]

Answer:

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

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

\mu_{\bar X}= \mu = 119.6

And now for the deviation we have this:

SE_{\bar X} = \frac{6.5}{\sqrt{25}}=1.3

So then the correct answer for this caee would be:

c. 1.30 ounces.

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".

Solution to the problem

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

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

\mu_{\bar X}= \mu = 119.6

And now for the deviation we have this:

SE_{\bar X} = \frac{6.5}{\sqrt{25}}=1.3

So then the correct answer for this caee would be:

c. 1.30 ounces.

6 0
3 years ago
Can someone figure this out for me?
goldenfox [79]

Answer:

it spells ucla, or U C LA

get it you see Los Angeles

or the school name in Los Angeles

Step-by-step explanation:

you shade in 12.5in^2

77cm

1.35m^2

48m

17cm^2

11400 in ^2

20.8cm

25m

20in

275 cm ^2

120 ft

43.4 cm^2

6.6m

105m^2

544 in

30m^2

28.8cm

600ft^2

6 0
1 year ago
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