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Pachacha [2.7K]
2 years ago
13

I WILL GiVE U POINTS IF YOU ANSEWEr​

Mathematics
1 answer:
slamgirl [31]2 years ago
5 0

Answer:

1/2

Step-by-step explanation:

when x=2 that makes y=1

2 * 1/2 =1 so the answer is 1/2

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D. multiplying the area of the base by the height

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Easy math i'll mark brainliest
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(6,4) is the answer

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A random sample of 150 men found that 88 of the men excercise regularly, while a random sample 200 women found that 130 of the w
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Answer:

The hypothesis is:

<em>H₀</em>: p_{X}-p_{Y}=0.

<em>Hₐ</em>: p_{X}-p_{Y}.

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Let <em>X</em> = number of men who exercise regularly and <em>Y</em> = number of women who exercise regularly.

The information provided is:

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Compute the sample proportion of men and women who exercise regularly as follows:

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\hat p_{Y}=\frac{Y}{n_{Y}}=\frac{130}{200}=0.65

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> = 150 and \hat p_{X}=0.587.

The random variable <em>Y</em> also follows a Binomial distribution with parameters <em>n</em> = 200 and \hat p_{Y}=0.65.

According to the Central limit theorem, if from an unknown population large samples of sizes <em>n</em> > 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.

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The standard deviation of this sampling distribution of sample proportion is:

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A two proportion <em>z</em>-test cab be performed to determine whether the proportion of women is more than men who exercise regularly.

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<em>H₀</em>: The proportion of women is same as men who exercise regularly, i.e. p_{X}-p_{Y}=0.

<em>Hₐ</em>: The proportion of women is more than men who exercise regularly, i.e. p_{X}-p_{Y}.

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How many roots does the graph polynomial function have?
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The graph crosses the x axis 3 times so there are 3 roots.

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