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pickupchik [31]
3 years ago
11

I NEED HELP ASAP!!!!

Mathematics
1 answer:
Fantom [35]3 years ago
6 0
C is the answer to the question
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F(x)=3x^3-4x^2+6x and g(x)=5x^3+2x^2-3x what is f(x)-g(x)
mrs_skeptik [129]
F(x) - g(x) = -2x^3 - 6x^2 + 9x
7 0
3 years ago
Read 2 more answers
A researcher claims that the average body mass index (BMI) of adult Canadians is more than 25.0. He takes a SRS of 250 Canadians
Serjik [45]

Answer:

The probability of obtaining a result equivalent to or greater than what was the truly observed value of the test statistic is 0.001.

Step-by-step explanation:

The researcher can use a one sample <em>z</em> test to determine whether his claim is correct or not.

The hypothesis to test whether the mean BMI is more than 25.0, is defined as:

<em>H₀</em>: The mean BMI is not more than 25.0, i.e. <em>μ </em>≤ 25.0.

<em>Hₐ</em>: The mean BMI is more than 25.0, i.e. <em>μ </em>> 25.0.

The test statistic is defined as:

z=\frac{\bar x-\mu}{\sigma/\sqrt{n}}

The <em>p</em>-value of the test is,

<em>p</em> = 0.001.

The p-value is well-defined as per the probability, [under the null-hypothesis (<em>H₀</em>)], of attaining a result equivalent to or greater than what was the truly observed value of the test statistic.

A small p-value (typically ≤ 0.05) specifies sufficient proof against the null hypothesis (<em>H₀</em>), so you discard <em>H₀</em>. A large p-value (> 0.05) specifies fragile proof against the <em>H₀</em>, so you fail to discard <em>H₀.</em>

The <em>p</em>-value of 0.001 indicates that the probability of obtaining a result equivalent to or greater than what was the truly observed value of the test statistic is 0.001.

As the <em>p</em>-value is very small, the null hypothesis will be rejected at any level of significance.

Thus, concluding that the mean BMI of adult Canadians is more than 25.0.

3 0
3 years ago
2. Find the area. The figure is not drawn to scale.<br> 4 cm<br> 17 cm
BabaBlast [244]
area=base x height so i’m thinking it’s 4x17=68
7 0
2 years ago
Solve: 9(y-2)-8y=-16
son4ous [18]

Answer:

y=2

Step-by-step explanation:

9(y-2)-8y=-16

9y-18-8y=-16

9y-8y=-16+18

y=2

Hope this helps!

4 0
3 years ago
Read 2 more answers
Plzzz helpppp urgenly❤️
lutik1710 [3]

Answer:

Students 1 and 2

Step-by-step explanation:

5 0
3 years ago
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