For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. In a random sample of 64 professional actors, it was found that 42 were extroverts. (a)  Let p represent the proportion of all actors who are extroverts. Find a point estimate for p. (Round your answer to four decimal places.) ________________ (b)  Find a 95% confidence interval for p. (Round your answers to two decimal places.) lower limit  ______________        upper limit   ______________

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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.