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# quot;#1 Chapter 5, page 221 #57 A company is planning to interview Internet users to learn how its proposed Web site will be received by different...

"#1 Chapter 5, page 221 #57A company is planning to interview Internet users to learn how its proposed Web site will be received by different age groups. According to the Census Bureau, 40% of individuals ages 18 to 54 and 12% of individuals age 55 and older use the Internet (Statistical Abstract of the United States, 2000). 1. How many people from the 18–54 age group must be contacted to find an expected number of at least 10 Internet users?2. How many people from the age group 55 and older must be contacted to find an expected number of at least 10 Internet users?3. If you contact the number of 18- to 54-year-old people suggested in part (a), what is the standard deviation of the number who will be Internet users?4. If you contact the number of people age 55 and older suggested in part (b), what is the standard deviation of the number who will be Internet users?