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A magazine claims that 75% of all teenage boys have their own cellphones. A researcher wished to test the claim and selected a random sample of 60 teenage boys. She found that 54 had their own cell phones.
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A magazine claims that 75% of all teenage boys have their own cellphones. A researcher wished to test the claim and selected a random sample of 60 teenage boys. She found that 54 had their own cell phones. At α = 0.01, should the claim be rejected?

User Marco Ramires
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2 votes
Not sure sorry!! Wish I could help




User Fumihwh
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8.2k points
4 votes
yes, it is a comparison of .75 to .9 (I think?)
User Evil Otto
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