2 years ago

10 x 376. POINTS AVALIBLE

Mathematics

1 answer:

marusya05 [52]2 years ago

7 0

Answer:

Step-by-step explanation:

10x367=3670

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"a survey reports the percentage of people 18 years of age and older who smoke. suppose that a study designed to collect new dat

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Answer: 2017

Step-by-step explanation:

Given : The proportion of people that smoke : p=0.3

Margin of error : E= 0.02

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The formula to calculate sample size ( if proportion is known) :-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2\\\\\Rightarrow\ n=(0.3)(0.7)(\dfrac{(1.96)}{0.02})\\\\\Rightarrow\ n=2016.84approx2017$

Hence, the required minimum sample would be 2017.

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3 years ago

Connie climbed 7/9 of the way up a 13.4m high wall jacob climbed 4/7 of the way up a 17.6m high wall what is the difference betw

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0.365 m to the nearest thousandth.

Step-by-step explanation:

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2 years ago

-(-+-+-)+1 combine like terms

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Step-by-step explanation:

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3 years ago

You are scheduling a new delivery route and you need to find out how long it will take a driver to complete the route. You start

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3 years ago

Read 2 more answers

Simplify (x^5/x^2)^2 . Explain your steps.

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Answer:

$x^6$

Step-by-step explanation:

$\left(\frac{x^5}{x^2}\right)^2$

$\frac{\left(x^5\right)^2}{\left(x^2\right)^2}$

$\frac{x^{10}}{x^4}$

$x^{10-4}$

$x^6$

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4 years ago