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horsena [70]
3 years ago
5

What is the median of the data set? {20, 25, 36, 41, 87, 91, 92, 95, 99}

Mathematics
2 answers:
Kamila [148]3 years ago
5 0
Ur answer is 87 bam wham turkey and ham
Gemiola [76]3 years ago
3 0

Answer:

87

Step-by-step explanation:

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sprinter can run 10 yards in 5⁄3 seconds. How long will it take the same sprinter at the same speed to run 30 yards?
Novosadov [1.4K]

Answer:

5 seconds

Step-by-step explanation:

All you have to do is make a ratio.

10 yards = 5/3 seconds

10 * 3 = 30 yards

5/3 * 3 = 15/3 = 5 seconds

3 0
3 years ago
An Indian tepee is a conical tent. Find the number of cubic feet of air in a teepee 10 ft. in diameter and 12 ft. high.
vampirchik [111]
Surface Area of a cone is 

<span>pi * r * s + pi * r^2 </span>

<span>s is the side length, since you have 10 ft diameter, you know radius is 5. And since height is 12. With this, you have a 5-12-13 triangle, and s=13. </span>

<span>so </span>

<span>pi * 5 * 14 + pi * 5^2 = 95 pi or 298.3 </span>

<span>divide 298.3 by 15 and you get 19.88, you round up, so 20 is the answer </span>
5 0
3 years ago
When testing for differences between treatment means, a confidence interval is computed with __________________?
KIM [24]
The confidence interval is based on mean square error. T<span>he </span>mean squared error<span> (</span>MSE<span>) </span><span>of an </span>estimator<span> measures the </span>average<span> of the squares of the </span>errors<span> or </span>deviations.<span> MSE is calculated by the formula attached in the picture, where Xbar is a vector of predictions, X is the vector of predicted values. </span>

5 0
3 years ago
Whats the elasped time between 9:00 and 1:30
Tasya [4]

Answer:

4 hours and 30 minutes

Step-by-step explanation:

I'll assume you have a basic knowledge of time and know the sequence. So all you do is count to 1:00 and see how many steps you took. In this case 4, but then you have 30 minutes left. Add that to the 4 hours, and you have a total of 4 hours and 30 minutes of elapsed time.

Hope this helps :)

7 0
2 years ago
To estimate the number of lizards in a certain region, Sean traps 36 lizards and marks them. He releases these lizards and then
Verdich [7]

Answer:

The answer is C. 450

Step-by-step explanation:

12345678910

Next Question

Correct

The best estimate for the lizard population is 450.

marked lizards counted

total lizards counted

=  

total marked lizards

estimated lizard population

→  

16

200

=  

36

p

→ p = 450

3 0
3 years ago
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