When the 2000 GSS asked subjects whether they would be willing to accept cuts in their standard of living to protect the environment, 344 of 1170 subjects said yes. Use 3 decimal places. (a) What is the estimate of the population proportion who would answer yes? (b) What is the margin of error for this estimate? (Assume a 95% confidence level.) (c) Find a 95% confidence interval for the population proportion.(d) Which of the following assumptions are needed for the interval in (c) to be valid?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.