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Vesnalui [34]
2 years ago
13

I need help does anyone know?

Mathematics
2 answers:
Ne4ueva [31]2 years ago
4 0

Answer:

Step-by-step explanation:

Its 80 ounces

oksian1 [2.3K]2 years ago
4 0

Answer:

80 ounces

Step-by-step explanation:

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When the sample size and the sample proportion remain the same, a 90 percent confidence interval for a population proportion p w
deff fn [24]

Answer:

A 90% confidence interval for <em>p</em> will be <u>narrower </u>than the 99% confidence interval.

Step-by-step explanation:

The formula to compute the (1 - <em>α</em>) % confidence interval for a population proportion is:

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

Here \hat p is the sample proportion.

The margin of error of the confidence interval is:

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

The MOE is dependent on:

  1. Confidence level
  2. Standard deviation
  3. Sample size

The MOE is directly related to the confidence level and standard deviation.

So if any of the two increases then the MOE also increases, thus widening the confidence interval.

And the MOE is inversely related to the sample size.

So if the sample increases the MOE decreases and vice versa.

It is provided that the sample size and the sample proportion are not altered.

The critical value of <em>z</em> for 90% confidence level is:

z_{\alpha/2}= z_{0.10/2}=z_{0.05}=1.645

And the critical value of <em>z</em> for 99% confidence level is:

z_{\alpha/2}= z_{0.05/2}=z_{0.05}=1.96

So as the confidence level increases the critical value increases.

Thus, a 90% confidence interval for <em>p</em> will be narrower than the 99% confidence interval.

6 0
3 years ago
Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared.
neonofarm [45]

Answer:

Step-by-step explanation:

c2+2c+4

(c+2)^2

^ is the exponent

5 0
2 years ago
HELP ME OUT PLEASE!!!!!!​
qaws [65]

Step-by-step explanation:

when it is phrased like that it should mean that we apply the scale factor to the original images to create the new ones.

and that means the new images will in our case be bigger by the factor of 2.

therefore, the 4th answer option is correct.

2 cm turn into 2×2 = 4 cm

1.5 cm turn into 2×1.5 = 3 cm

3 cm turn into 2×3 = 6 cm

8 0
2 years ago
Read 2 more answers
Boats from all along the Atlantic coast dock at a busy marina. Of the first boats to dock there one day, 2 of the boats were fro
Olin [163]

Answer:

the next 5 boats should be from Georgia

Step-by-step explanation:

3 0
3 years ago
Help whoever does the worksheet i’ll mark brain list
timurjin [86]

Answer: -8.8+13.4 is 22.2 so after that im guesing you have to solve -4.25 divided by 00.5 is 85  

Step-by-step explanation:

5 0
3 years ago
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