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Eddi Din [679]
3 years ago
15

MARKING PEOPLE AS BRAINLIST ONLT ANSWER IF U KNOW

Mathematics
2 answers:
klasskru [66]3 years ago
7 0

Answer:

ITS B

Step-by-step explanation:

omeli [17]3 years ago
6 0
The answer is B, that is your answer
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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

H1 P< 0.5

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)

3 0
3 years ago
The triangle ABC in the figure provided has midpoints labeled M and N and O.
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HoHm : B means that starting at point B, you do a half-turn about m. This puts point B where A is. Continuing, this point is again allowed to to do a half-turn but this about o so that the point ends up at C.
The answer is Point C.<span />
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3 years ago
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Can a fraction that has 176/9 be simplified
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No they cannot be simplified together from what I know

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2 years ago
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