A survey conducted by CBS News asked 1,026 respondents: What would you do with an unexpected tax
Question:
A survey conducted by CBS News asked 1,026 respondents: “What would you do with an unexpected tax refund?” The responses are summarized in the following table.
ResponseFrequency
Pay of debts.........482
Put it in the bank......308
Spend it..........112
I never get a refund.....103
Other............ 21
a. Construct the 90% confidence interval for the population proportion of those who would put the tax refund in the bank.
b. Construct the 90% confidence interval for the population proportion of those who never get a refund.
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Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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