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3 years ago

¿cual es el 5% de 320?

Mathematics

2 answers:

Genrish500 [490]3 years ago

8 0

Answer:

Step-by-step explanation:

5% of 320=16

Solution for What is 5 percent of 320: 16

5% of 320.0 = 16.000

Therefore 5% of 320 = 16

(hope this helps can i plz have brainlist :D hehe)

Bezzdna [24]3 years ago

4 0

Answer:

Step-by-step explanation:

5 × 320 ÷ 100 = 16

5 × 320 = 1,600

1,600 ÷ 100 = 16

16 es tu repuesta

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In a survey of 603 adults, 98 said that they regularly lie to people conducting surveys. Create a 99% confidence interval for th

marysya [2.9K]

Answer:

The population proportion is estimated to be with 99% confidence within the interval (0.1238, 0.2012).

Step-by-step explanation:

The formula for estimating the population proportion by a confidence interval is given by:

$\hat{p}\pm z_{\alpha /2}\times\sqrt{\frac{\hat{p}\times(1-\hat{p})}{n}}$

Where:

$\hat{p}$ is the sample's proportion of success, which in this case is the people that regularly lie during surveys,

$z_{\alpha /2}$ is the critical value needed to find the tails of distribution related to the confidence level,

$n$ is the sample's size.

First we compute the $\hat{p}$ value:

$\hat{p}=\frac{successes}{n}=\frac{98}{603}=0.1625$

Next we find the z-score at any z-distribution table or app (in this case i've used StatKey):

$z_{\alpha /2}=2.576$

Now we can replace in the formula with the obtained values to compute the confidence interval:

$\hat{p}\pm z_{\alpha /2}\times\sqrt{\frac{\hat{p}\times(1-\hat{p})}{n}}=0.1625\pm 2.576\times\sqrt{\frac{0.1625\times(1-0.1625)}{603}}=(0.1238, 0.2012)$

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3 years ago

Find the area of the shaded regions Will give brainliest!!

DochEvi [55]

Answer:

it is 40pi

Step-by-step explanation:

pi r^2 and you have 144 degrees shaded which is 40% of the circle.

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3 years ago

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aleksley [76]

Answer:

a) 5.956x10^-24

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Answer:

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3 years ago

Could you please help me on question 5

morpeh [17]

Question plz thxs
your welcome

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