What is the value of 34 ?

Mathematics

2 answers:

zepelin [54]2 years ago

6 0

Answer:

Step-by-step explanation:

34 is the same exact size as 34.

Hope that this helps you and have a great day (:

vazorg [7]2 years ago

5 0

I think it’s 34 because 34 = 34

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Solve using elimination method

Anon25 [30]

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2x^2+x=3

7 0

3 years ago

Suppose that the mean time that visitors stay at a museum is 94.2 minutes with a standard deviation of 15.5 minutes. The standar

Maurinko [17]

Answer:

$94.2 -0.994*3.1 = 91.1186$

$94.2 +0.994*3.1 = 97.2814$

And the 68% confidence interval is given by (91.1186, 97.2814)

Step-by-step explanation:

For this case we know that mean time that visitors stay at a museum is given by:

$\bar X = 94.2$

The standard deviation is given by:

$s= 15.5$

And the standard error is given by:

$SE = \frac{s}{\sqrt{n}} =3.1$

And we want to interval captures 68% of the means for random samples of 25 scores and for this case the critical value can be founded like this using the normal standard distribution or excel:

$z_{\alpha/2}= \pm 0.994$