Claim: Most adults would not erase all of their personal information online if they could. A software firm survey of 604 randomly selected adults showed that 49.5% 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 (LOW; HIGH) so there (IS; IS NOT) sufficient evidence to support the claim that most adults would erase all their personal information online if they could.

Question

14-07-2020
Mathematics

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Claim: Most adults would not erase all of their personal information online if they could. A software firm survey of 604 randomly selected adults showed that 49.5% 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 (LOW; HIGH) so there (IS; IS NOT) sufficient evidence to support the claim that most adults would erase all their personal information online if they could.

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idontdomaths idontdomaths · Answer 1 · 2020-07-14T14:33:35+02:00

Answer: The results ARE NOT significantly HIGH so there IS NOT sufficient evidence to support the claim that most adults would erase all their personal information online if they could.

Step-by-step explanation:

To find 49.5% of 604-

49.5 ÷ 100 = 0.495

0.495 x 604 = 298.98 = 299 (I have rounded to make the estimate easier)

When someone say MOST, it usually means more than half of the total. If I divide 604 by 2 (basically halving it) it gives me 302.

299 is close enough to 302, but even if got 302 as my first result instead of 299, it is still too less to be called MOST. Therefore,

The results ARE NOT significantly HIGH so there IS NOT sufficient evidence to support the claim that most adults would erase all their personal information online if they could.

Hope this helps :)