(Answered) Is there a way to approach this problem in excelthe

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Is there a way to approach this problem in Excel:

The Marriott Hotel marketing team wants to estimate ρ, the proportion of the hotel guests who were return visitors in the past three years. They select a simple random sample of 150 guests from the past three year's records and finds that 27 of the sampled guests are return visitors.

Compute a point estimate for ρ.
What are the upper and lower bounds for the 90% confidence interval for ρ (4 decimals)?

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