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laiz [17]
2 years ago
10

Please help me 15 points

Mathematics
1 answer:
g100num [7]2 years ago
4 0

The range of the means is 0.5

<h3>How to find the mean</h3>

Mean of S1

= 5 + 6+ 6+ 2

= 19/4

= 4.75

Mean of S2

= 4 + 8 + 4 + 3

= 19/4

= 4.75

Mean of s3

= 4 + 2 + 6+ 5

= 17/4

= 4.25

Range of sample means = 4.75 - 4.25

= 0.5

c. the true statements here is that

  • The closer the range of the sample means is to 0, the more confident they can be in their estimate.
  • The mean of the sample means will tend to be a better estimate than a single sample mean.

Read more on mean here:

brainly.com/question/6281520

#SPJ1

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Answer:The answer is the cost to rent for one day is the quotient of $10 and 3.

Step-by-step explanation:

5 0
3 years ago
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The area of an circle with 300 radius and an diameter of 600
loris [4]

The area of an circle with radius equal to 300 is 90000π (282743.34).

<h3>Area of Circle</h3>

The area of circle can be found from the formula: A=πR², where R is the radius. It is important to know that the radius is equal to two times the value of diameter (D=R/2).

The question gives:

Diameter= 600 therefore the Radius is D/2=600/2=300.

Thus, the area of circle will be:

A=πR²

A=π300²

A=90000π, as π=3.14159.... you can write:

A=90000 * 3.14159

A=282743.34

Read more about the area of the circle here:

brainly.com/question/14068861

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3 0
2 years ago
5-2(3z+2)=-4(1-2z) please help lol
Sveta_85 [38]

Answer:

z= 5/14

Step-by-step explanation:

Let's solve your equation step-by-step.

5−2(3z+2)=−4(1−2z)

Step 1: Simplify both sides of the equation.

5−2(3z+2)=−4(1−2z)

5+(−2)(3z)+(−2)(2)=(−4)(1)+(−4)(−2z)(Distribute)

5+−6z+−4=−4+8z

(−6z)+(5+−4)=8z−4(Combine Like Terms)

−6z+1=8z−4

−6z+1=8z−4

Step 2: Subtract 8z from both sides.

−6z+1−8z=8z−4−8z

−14z+1=−4

Step 3: Subtract 1 from both sides.

−14z+1−1=−4−1

−14z=−5

Step 4: Divide both sides by -14.

−14z/ = -5

−14      -14

=5/14

z= 5/14

3 0
3 years ago
Translating Verbal Phrases To Algebraic Expression/Equations
Stells [14]

Answer:

Step-by-step explanation:

I think you wish is:

6(x - y) = 12

I hope I've helped you.

3 0
3 years ago
The school talent show is 90 minutes long. The average rate of the show is about 10 acts every 30 minute. At this rate, how many
SIZIF [17.4K]

Answer:

C. 30

90/30=3

3x10= 30

SECOND PART

the second year would only have 25 acts

100/4=25

7 0
3 years ago
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