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adelina 88 [10]
3 years ago
11

A pet food company wants to know the number of pets owned by adults ages 21 to 70. The frequency table shows the data from a sim

ple random sample of the targeted population
Total pets owned- 1, 2, 3, 4, 5, 6, 7
Number of adults- 248, 567, 1402, 728,419, 456, 203
Mathematics
1 answer:
Brut [27]3 years ago
6 0
Thank you for posting your question here. I think the question is "
<span>What is the estimated mean for the population? Explain your answer and show your work."

Below is the solution. I hope it helps.

</span>µ= (1*248 +2*567 +3*1402 +4*728 +5*419 +6*456 +7*203)/(1 +2 +3 +4 +5 +6 +7) 
<span>=14752/28≈ 526.9</span>
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Can you help me please ​
Mekhanik [1.2K]

Answer:

-3

1.1 ×10

Explanation: when you divide it it comes to .0011

and with significant figures you move the decimal over until it is right after the first number that is not zero. so that would change .0011 to 1.1

also with significant figures if you move the decimal to the right you exponent by the 10 will be negative and if you move it to the left it will be positive. so I. this case we are moving g to the right 3 digits so our exponent will be negative 3.

and because the answer is still really. 0011 you multiply

-3

1.1 × 10

5 0
3 years ago
Hi! Please help, I'd appreciate it!
Romashka-Z-Leto [24]

The volume of sphere is \frac{1372}{3}\pi feet cubed.

Step-by-step explanation:

Given,

Surface area of sphere = 196π square feet

Surface area of sphere = 4πr²

We will find radius of sphere.

4\pi r^2=196\pi

Dividing both sides by 4π

\frac{4\pi r^2}{4\pi}=\frac{196\pi}{4\pi}\\\\r^2=49

Taking square root on both sides

\sqrt{r^2}=\sqrt{49}\\r=7

The radius is 7 feet.

Volume of sphere = \frac{4}{3}\pi r^3

Volume=\frac{4}{3}\pi (7)^3\\\\Volume= \frac{4}{3}\pi *343\\\\Volume = \frac{1372}{3}\pi

The volume of sphere is \frac{1372}{3}\pi feet cubed.

Keywords: volume, surface area

Learn more about surface area at:

  • brainly.com/question/101683
  • brainly.com/question/103144

#LearnwithBrainly

3 0
3 years ago
Find the Slope of a line that travels through (3, 7) and (6, 19)
TiliK225 [7]

Answer:

1/4

Step-by-step explanation:

6-3/19-7 =3/12 =1/4

4 0
3 years ago
Need help plz help
torisob [31]

Answer:

A. Square for Ape.x

Step-by-step explanation:

8 0
3 years ago
What is the average rate of change for <br><br> f (x)=0.5 (-10x + 24)?
xenn [34]

Answer:

The rate of change of the function is -5.

Step-by-step explanation:

Given : Function f(x)=0.5(-10x+24)

To find : What is the average rate of change ?

Solution :

Function f(x)=0.5(-10x+24)

The rate of change is the first derivative.

f(x)=-5x+12

Derivate w.r.t. x,

f(x)=-5

Therefore, The rate of change of the function is -5.

5 0
3 years ago
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