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Ilia_Sergeevich [38]
3 years ago
8

What is the messages of angle a

Mathematics
1 answer:
vredina [299]3 years ago
4 0

I believe it's 70, since they are consecutive interior angles (they add up to 180)

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Most adults would not erase all of their personal information online if they could. A software firm survey of 480 randomly selec
Westkost [7]

Answer:

-7.90

Step-by-step explanation:

Let's write the null hypothesis (H0) and alternative hypothesis (Ha) from the claim statement

P = population proportion of adults who would erase all of their personal information online if they could

H_{0}:P=0.5

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Let's write the given information:

n = sample size = 480

sample proportion = \hat p = 0.35

formula of z test statistic for one sample proportion test is as follows:

Z=\frac{\hat p-P}{\sqrt{\frac{P\times(1-P)}{n}}}

plug the above values in the above formula we get

Z =\frac{0.35-0.5}{\sqrt{\frac{0.35(1-0.5)}{480}}}=Z=-7.85584

So that the test statistic value is -7.90 (Rounded up to two decimal places)

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Answer:

is that all the context that is given?

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igor_vitrenko [27]

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The probability of choosing an ace from cards is 4/52. What is the probability of not selecting an ace?
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