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Mathematics, 09.04.2020 17:27 ineedhelp2285
Zane claims that 85% of his contacts have a phone number with a local area code. He has 225 contacts in his phone. He makes 5 samples by randomly choosing 20 contacts and records whether the number has a local area code or non-local area code in the table. Is Zane's claim supported by the data?
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Zane claims that 85% of his contacts have a phone number with a local area code. He has 225 contacts...
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