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Ierofanga [76]
2 years ago
8

A 95% confidence interval for an unknown population mean is given by (9, 12). How should this confidence interval be interpreted

?
A) There is a 95% chance the sample mean = 10.5 is within 3 units of the true mean . B) There is a 95% chance the sample mean = 10.5 is within 1.5 units of the true mean .
C) There is a 95% chance the true mean is within 1.5 units of the sample mean = 10.5.
D) There is a 95% chance the true mean is within 1.5 standard deviations of the sample mean = 10.5.
Mathematics
1 answer:
Zanzabum2 years ago
8 0
C is my answer of ask other sources tho. Ok
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What ratios are equivalent<br> to 3/5
barxatty [35]
The given ratios 3: 5 and 15: 25 are equal. Because when you divide the ratio 15: 25 by 5 on both numerator and denominator, the first ratio 3: 5 can be obtained. Similarly, when you multiply the first ratio 3: 5 by 5, the ratio 15: 25 can be obtained.
5 0
3 years ago
Alejandra plans to sew fringe on a scarf. The scarf is shaped rectangle. The length of the scarf is 48 inches. The width is one
aleksandr82 [10.1K]
Ok so you will be finding the perimeter of this rectangle. The formula is P(perimeter)=2L(length) + 2W(width)

so the length is 48 and the width is 1/2 of 48, and we all know that 1/2 of 48 = 24 right? so in the formula is says 2L so we will take 48 and multiply it by 2 and get 96. The same way with the width. 24 times 2 = 48 so then we add them together and get 144. Therefore the perimeter and the length of fringe that she will use (or how ever you say it) will be 144 inches.

Hope this helps!;)
5 0
3 years ago
Explain how you would determine the input value of the function f(x) = 4x + 3/4 given a specific output value?
mars1129 [50]

Answer:

0

Step-by-step explanation:

8 0
2 years ago
Im confusedd, please help??
spayn [35]

Answer:  three sets of value show 3 consecutive increases and they could be the intensities during fourth, fifth, and six visits:

  • 66%, 69%, 72%;
  • 63%, 65%, 67%, and
  • 67%, 72%, 77%

Explanation:


1) The program recommends a constant intensity for 3 visits, which is what the table shows:

Day        Intensisty

1             63%

2            equal ⇒ 63%

3            equal ⇒ 63%


2) Hence, you have to determine the valid sets that meet the recommendation for the fourth, fifth, and six visits, which are the next three.


2) For the next three visits, the program recommensd increasing intensities.


There are three options that show 3 consecutive increases; they are:

  • 66%, 69%, 72%;
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  • 67%, 72%, 77%

Therefore, those are the choices that apply.

4 0
3 years ago
Write a 3-digit number that is divisible by 9.
Digiron [165]

Answer:900

Step-by-step explanation:

900/9=100

100x9=900

5 0
3 years ago
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