[solved]-A Survey Conducted By Cbs News Asked 1026 Respondents What 246339

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.

Expert Answer

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