3 years ago

100 POINTS + WILL MARK YOU BRAINLY PLEASE HELP

Mathematics

1 answer:

Gekata [30.6K]3 years ago

7 0

Answer:

The scatter plot is in the picture attached

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Step-by-step explanation:\

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Alenkasestr [34]

Refer to BIDMAS.
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3 years ago

Solve the inequality 3(y+5)>21

Kaylis [27]

Answer:

y > 2

Step-by-step explanation:

1) $3(y+5)>21$

Divide both sides by <em>3</em>.

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3 years ago

A growth-mindset researcher plans to take an SRS of 200 teenagers from the population of teenagers in North America to see what

Sonbull [250]

Answer:

The mean of the sampling distribution of p is 0.75 and the standard deviation is 0.0306.

Step-by-step explanation:

Central Limit Theorem:

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean $\mu = p$ and standard deviation $s = \sqrt{\frac{p(1-p)}{n}}$

75% of teenagers in North America are pursuing a goal they have set for themselves.

This means that $p = 0.75$

Sample of 200.

This means that $n = 200$ .

What are the mean and standard deviation of the sampling distribution of p?

By the Central Limit Theorem

Mean $\mu = p = 0.75$

Standard deviation $s = \sqrt{\frac{0.75*0.25}{200}} = 0.0306$

The mean of the sampling distribution of p is 0.75 and the standard deviation is 0.0306.

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3 years ago