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Q6. You would like to know how many people to survey for the study of determinin

ID: 3058489 • Letter: Q

Question

Q6. You would like to know how many people to survey for the study of determining the dollar amount would like the results to be with plus or minus $20. Assume the population standard deviation can be obtained from a study conducted by Maxim magazine where they found the standard deviation was $78. Also, assume you want to have 95% confidence in your results(4 marks) people spend on "Graduation Gifts". You Q7.If you would like to start a Salsa dancing club at the college, how many students should be surveyed if you would like to know the % of students that would join such a club. If a pilot survey of 15 people revealed that 2 would join and you want your results to be within plus or minus 2.5%, how many students should be surveyed. (4 marks)

Explanation / Answer

Q6. You would like to know how many people to survey for the study of determining the dollar amount would like the results to be with plus or minus $20. Assume the population standard deviation can be obtained from a study conducted by Maxim magazine where they found the standard deviation was $78. Also, assume you want to have 95% confidence in your results(4 marks) people spend on "Graduation Gifts". You Q7.If you would like to start a Salsa dancing club at the college, how many students should be surveyed if you would like to know the % of students that would join such a club. If a pilot survey of 15 people revealed that 2 would join and you want your results to be within plus or minus 2.5%, how many students should be surveyed. (4 marks)