Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1210...

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Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1210...

Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1210 adults,88 % said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is

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Answer 1

Answer #1

as a Let observed value of Solution 8 ustio pc 95 To test Hom þ= 951100 100 that adults par troame probability have a cell ph 100 .. It was given por observed f = 88 and n=100. to 88/100 – 951100 95 (1-460) 7100 88–95 9585/100 -7 - 7X10 =-3.2118 5.10.

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Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1226...

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Claim: Fewer than 98% of adults have a cell phone. In a reputable poll of 1200...

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