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Alexandra [31]
4 years ago
11

Simplify the ratio: 2:1 1/2

Mathematics
1 answer:
yKpoI14uk [10]4 years ago
8 0

1/2 is the simplified version

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Shape of distribution
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3 years ago
A sample of 1000 college students at NC State University were randomly selected for a survey. Among the survey participants, 102
cupoosta [38]

Answer:

The upper endpoint of the 99% confidence interval for population proportion is 0.13.

Step-by-step explanation:

The confidence interval for population proportion is:

CI=\hat p\pm z_{\alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

<u>Given:</u>

<em>n</em> = 1000

\hat p = 0.102

z_{\alpha /2}=z_{0.01/2}=z_{0.005}=2.58

*Use the standard normal table for the critical value.

Compute the 99% confidence interval for population proportion as follows:

CI=\hat p\pm z_{\alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\=0.102\pm 2.58\times\sqrt{\frac{0.102(1-0.102)}{1000}}\\=0.102\pm0.0248\\=(0.0772, 0.1268)\\\approx (0.08, 0.13)

Thus, the upper limit of the 99% confidence interval for population proportion is 0.13.

6 0
3 years ago
The sum of two numbers is 37. Their difference is 11. What is the smaller number?
raketka [301]

Hello from MrBillDoesMath!

Answer:

13


Discussion:


Let the numbers in the Question be call m and n. Then

m + n = 37      

m - n =  11          


Adding these 2 equations gives:

(m+ n) + (m - n)  = 37 +11    =>

(m+m) + (n-n) = 48 =>

2m +      0     = 48  =>

m = 24.

As m + n = 37, 24 +n = 37 , so n = 13.



Thank you,



MrB

4 0
3 years ago
The speed time graph shows the motion of toboggan as it descends a hill. Determine the acceleration of the toboggan between,
Vesna [10]

Answer:

B (B AND C)

Step-by-step explanation:

BECAUSE THE POINT B IS HIGH ND I SUPPOSE THAT IT IS SPEED.

3 0
3 years ago
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