According to a poll, 11.55% of adults in a certain country have diabetes. Suppose a researcher wonders if the diabetes rate in her area is higher than the national rate. She surveys 122 adults in her area and finds that 18 of them have diabetes. Complete parts a and b below. C a. If the region had the same rate of diabetes as the rest of the country, how many would we expect have diabetes? adults (Round to the nearest whole number as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
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According to a poll, 11.55% of adults in a certain country have diabetes. Suppose a researcher wonders if the diabetes rate in her area is higher than the national rate. She surveys 122 adults in her
area and finds that 18 of them have diabetes. Complete parts a and b below.
a. If the region had the same rate of diabetes as the rest of the country, how many would we expect have diabetes?
adults (Round to the nearest whole number as needed.)
Transcribed Image Text:According to a poll, 11.55% of adults in a certain country have diabetes. Suppose a researcher wonders if the diabetes rate in her area is higher than the national rate. She surveys 122 adults in her area and finds that 18 of them have diabetes. Complete parts a and b below. a. If the region had the same rate of diabetes as the rest of the country, how many would we expect have diabetes? adults (Round to the nearest whole number as needed.)
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