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Statistics Ch 6 Quiz 2 of 4

Statistics Ch 6 Quiz 2 of 4 - and we want 11 Since we know...

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Unformatted text preview: and we want 11. Since we know E, we can solve for n and get 66306.25 which must be rounded up to 66307. (R0unding down would not give us the required accuracy!) 0. Since 11% is not within the confidence interval from part a, we may safely conclude that 60 Minutes had a greater share of the audience than the wrestling special did, so exposing the wrestling industry was probably not necessary. d. In general, results from a self-selected sample are not valid as they will not, in general, be a true random sample and a randomness is a requirement for all these methods to work. ...
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