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 sa
mples 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?
Answer: 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?
