Question: Please provide step by step calculations to the question below. This problem was discussed in class and I'm not understanding some of the steps in

Please provide step by step calculations to the question below. This problem was discussed in class and I'm not understanding some of the steps in the calculation from class to find the sample size.

Suppose you wish to obtain a 95% confidence interval for the proportion of wine that was ruined, and you want the confidence interval to be no larger than plus or minus 0.05.You are willing to assume that this proportion is no less than 0.6 (but you want a more refined estimate).How large a sample should you take?

Thank you

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