Question
Among 246 cell phone owners age 18 to 24 surveyed 105 said their phone was an android phone.

Assume that an advertisement playing at 33% of cell phone owners aged 18 to 24 have an android phone does the confidence interval contradict this claim?

The confidence interval (does/does not) contradict the claim, because 0.33 (is,is not) contained in the confidence interval.



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Answer #1

From the previous part,

Confidence interval is:

0.346 < p < 0.508

Hence,

The correct answer in blanks will be:

Does; is not

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