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StatisticsQ&A LibraryFor a data set obtained from a sample, n = 81 and x = 50.25. It is known that o = 4.1. (a) What is the point estimate of p? 50.25 (b) Find a corresponding to a 95% confidence level. 0.05 (c) Find 1 - a/2. 0.975 1 - a/2 = (d) Find to 2 decimal places Za/2 for 95% confidence level. 2.58 Z0/2 =Start your trial now! First week only $4.99!*arrow_forward*

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part d please

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For a data set obtained from a sample, n = 81 and x = 50.25. It is known that o = 4.1. (a) What is the point estimate of p? 50.25 (b) Find a corresponding to a 95% confidence level. 0.05 (c) Find 1 - a/2. 0.975 1 - a/2 = (d) Find to 2 decimal places Za/2 for 95% confidence level. 2.58 Z0/2 =