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loris [4]
3 years ago
9

What is meant by the 95% confidence interval of the mean?

Mathematics
1 answer:
Allisa [31]3 years ago
7 0

Answer:

Option c.

Step-by-step explanation:

Confidence interval refers to an interval such that there is a probability that the value of a parameter lies within that interval.

Therefore, 95\%  the confidence interval of the mean means that there is a probability that the value of a parameter lies within that confidence interval.

So, option c. is correct

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Find the x-intercept of the following equation. Simplify your answer.
lawyer [7]

Answer:

y intercept=3/2

Step-by-step explanation:

First of all, write it in slope intercept form

y=-1/6x+3/2

y=mx+b

b=y-intercept

y intercept=3/2

7 0
3 years ago
Read 2 more answers
If tan x= -4/3 and sin y=-3/5, where x is a second quadrant angle and y is a fourth quadrant angle, find:
Mariulka [41]

Answer:1. -117:125

2.4:3

3.3116:3125

Step-by-step explanation:

8 0
3 years ago
If the team’s average time is less than one minute per leg, then the eighth graders earn 50 points. If not, the seventh graders
White raven [17]

Answer:

the seventh grader because the eighth graders got 58 which is more than 50 so the 7th grader would get the pts

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can you please help?
Liula [17]

Answer:

\huge\boxed{3.873}

Step-by-step explanation:

Note that the squares are on the sides of these triangles are on the hypotenuse/one leg.

We know that the area of a square is l^2 where l is the length. Since we know the area, we can find the square root of the area to find the side length.

So the side lengths are \sqrt{25} and \sqrt{10}.

Since we know the hypotenuse is \sqrt{25} and one of the legs is \sqrt{10}, we can use the Pythagorean Theorem to find the missing side.

The Pythagorean Theorem states that a^2 + b^2 = c^2, where c is the hypotenuse and a/b are the legs.

We know the <em>hypotenuse </em>and <em>a leg</em>, so we can substitute inside

a^2 + \sqrt{10}^2 = \sqrt{25}^2

Squaring a square root is the same as doing nothing.

a^2 + 10 = 25\\\\a^2 = 25-10\\\\a^2 = 15\\\\a = \sqrt{15}\\\\a \approx 3.873

Hope this helped!

7 0
4 years ago
Hi- So this is a simple question that I keep forgetting how to answer! HELPPPP
WARRIOR [948]

Answer:

4 times bigger

Step-by-step explanation:

1. The area of an object dilated by a scale factor (SF) will be equal to (SF)^2.

2. For example, let's say the base and height of Triangle A is 4 and 8. The area would be 16 units squared. The base and height of Triangle B would be 8 and 16. The area would be 64 units squared.

3. As you can see from the aforementioned example, the SF (2) was squared  and then multiplied by 16 to get 64.

Therefore, Triangle B's area is 4 times bigger than Triangle A's area.

7 0
3 years ago
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