Question

​Claim: Most adults

would not

erase all of their personal information online if they could. A software firm survey of

692

randomly selected adults showed that

0.4

of them would erase all of their personal information online if they could. Make a subjective estimate to decide whether the results are significantly low or significantly​ high, then state a conclusion about the original claim.

The results

▼ are / are not

significantly

▼ high / low

so there

▼ is / is not

sufficient evidence to support the claim that most adults

would not

erase all of their personal information online if they could.

Answer 1

given data are:-

sample proportion () = 0.4

sample size (n) = 692

hypothesis:-

[ claim ]

test statistic is :-

p value is :-

[ in any blank cell of excel type =NORMSDIST(-5.2611) ]

decision:-

p value = 1.0000 > 0.05 (alpha)

we reject the null hypothesis.

conclusion :-

The results are not significantly high,so there is not sufficient evidence to support the claim that most adults would not erase all of their personal information online if they could.

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