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Hoochie [10]
2 years ago
6

I need help with this please...

Mathematics
2 answers:
Luda [366]2 years ago
5 0
Answer:
I think it should be 56
DENIUS [597]2 years ago
3 0
Minimum the answer should be 34
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A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation i
velikii [3]

Answer: One tail test.

Step-by-step explanation:

Given : A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation is 3.

Also, The set of hypothesis to conduct a test :-

H_0:\mu\leq10\\\\H_1:\mu>10

The kind of test need to perform is dependent upon the alternative hypothesis.

Since, the alternative hypothesis is one tailed (right-tailed), so the test is one tail test.

5 0
3 years ago
What is the surface area of the figure shown?
Shalnov [3]

Answer:

The surface area of the figure = 962 ft²

Step-by-step explanation:

The rectangle dimensions and its area given below

Dimensions       Number         Area

12 x 7                2                   12 x 7 x 2 = 168

16 x 7                1                    16 x 7 = 112

12 x (16 + 5)     1                    12 x 21 = 252

16 x 12              1                    16 x 12 = 192

16 x 13              1                     16 x 13 = 208

Triangle dimensions

Dimensions           Number         Area

b = 12  & h = 5       2                bh/2 = (12*5)/2  = 30

To find total area

Total area = 168 + 112 + 252 + 192 + 208 + 30 = 962 ft²

5 0
3 years ago
What is the 5 times the sum of 7 and 23
sesenic [268]
PEMDAS
5(7+23)
5(30)
150
Hope this helped :)
7 0
3 years ago
In a science experiment,the temperature decreased by 0.1 degree Celsius every 15 minutes. Find the unit rate
maksim [4K]
0.1  decrease in 15 minutes 
unit rate is   0.1 / 15  = 0.00667
Temperature is decreasing by 0.00667 degrees Celsius per minute
8 0
2 years ago
WHAT IS 3847 TIMES 4387 AND PLAESE ROUND!!!!!<br> ---------<br> 82364
Andrew [12]

Answer:

16,876,789. 82364 ≈ 82,000

Step-by-step explanation:

Let's go through this Step by Step.

3847 * 4387 =\\3847 * 7 = 26929\\3847 * 80 = 307,760\\3847 * 300 = 1,154,100\\3847 * 4000 = 15,388,000

Now let's go through the Addition.

26929 + 307,760 = 334,689\\334,689 + 1,154,100 = 1,484,789\\1,484,789 + 15,388,000 = 16,872,789

Now, we round 82364 to the nearest thousand.

The nearest thousand is 2000. so the answer to this one would be 82000.

hope this helps.

6 0
2 years ago
Read 2 more answers
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