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claim: most adults would erase all of their personal information online if they could. a software...

claim: most adults would erase all of their personal information online if they could. a software firm survey of 581 randomly selected adults showed 59% of them would erase all of their personal information online if they could. find the value of the test statistic.

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Answer #1

claim: most adults would erase all of their personal information online if they could. a software firm survey of 581 randomly selected adults showed 59% of them would erase all of their personal information online if they could. find the value of the test statistic.

let us assume most means greater than 50%.

Test statistic = 4.34

Ho: P=0.5, H1: P > 0.5

p=0.59, n=581

Hypothesis test for proportion vs hypothesized value

Observed

Hypothesized

0.59

0.5

p (as decimal)

343/581

291/581

p (as fraction)

342.79

290.5

X

581

581

n

0.0207

std. error

4.3387

z

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