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s344n2d4d5 [400]
3 years ago
7

Confidence Interval: What is the 95% confidence interval to estimate the population mean?

Mathematics
1 answer:
natka813 [3]3 years ago
6 0

Answer: The 95% confidence interval  to estimate the population mean describes a range of values that a person can be 95% sure that it contains the population mean.

Step-by-step explanation:

A 95% confidence interval for population mean (\mu) is an interval on which a person can be 95% confident that the true population mean lies in it.

i.e. The probability that it contains the true population mean is 95%.

i.e. P( Sample mean- margin of error < \mu < Sample mean + margin of error) = 0.95.

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What is the distance between points A and B? Use absolute value to explain your answer.
Alona [7]

Answer:

Input Data :

Point 1(xA,yA)(xA,yA) = (4, 3)

Point 2(xB,yB)(xB,yB) = (3, -2)

Objective :

Find the distance between two given points on a line?

Formula :

Distance between two points = √(xB−xA)2+(yB−yA)2(xB-xA)2+(yB-yA)2

Solution :

Distance between two points = √(3−4)2+(−2−3)2(3-4)2+(-2-3)2

= √(−1)2+(−5)2(-1)2+(-5)2

= √1+251+25

= √2626 = 5.099

Distance between points (4, 3) and (3, -2) is 5.099

7 0
4 years ago
Can Someone please help me....Like pretty please....It would mean everything to me, Please help me out 1. 2. 3. 4. 5.
navik [9.2K]
<h3>Answers</h3>
  1. SSS congruence theorem
  2. SAS congruence theorem
  3. ASA congruence theorem
  4. AAS congruence theorem
  5. HL congruence theorem

================================

Explanation:

  1. SSS stands for "Side side side" indicating there are 3 pairs of sides that are same length. Visually we use tickmarks to show how the sides pair up. Eg: sides that have 1 tickmark only are the same length. If we know that all 3 pairs of sides are congruent, then we have enough info to conclude the triangles are congruent.
  2. SAS means "side angle side". The angle is between the two sides. The sides in question are the ones with tickmarks to indicate how they pair up.
  3. We have two angles and a side between them. So we use ASA this time. It stands for "Angle side angle". This is slightly different from AAS.
  4. We'll use AAS here. The side is not between the two angles. So this is why AAS is different from ASA. Some books may call "AAS" as "SAA", but they're the same thing.
  5. HL stands for hypotenuse leg. This only applies to right triangles (since the hypotenuse is a special term for the longest side of a right triangle). The hypotenuse is always opposite the 90 degree angle. This is the only time when SSA will work. Otherwise, SSA is ambiguous and it is not a valid congruence theorem.
6 0
3 years ago
Write an equation for the given transformation of y=f(x) 5 units downward
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Answer:

y=f(x+5)

Step-by-step explanation:

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The dinner bill at the restaurant totaled $473.60. There were 37 guests. How much did dinner cost per guest?
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Answer:

It was $12.8 per guests

Step-by-step explanation:

all u got to do is divide

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Please answer i need help
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Answer:

5-3í

Step-by-step explanation:

Because the root of nine is three, equaling 5-3í

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