The proportion of households in a region that do some or all of their banking on the Internet is 0.41. In a random sample of 1000 households from this​ region, let x be the number that do some or all of their banking on the Internet. a. Find the mean of x. b. Find the standard deviation of x. c. Find the​ z-score for the value x=263.5. d. Find the approximate probability that the number of households that use the Internet for banking in a sample of 1000 is less than or equal to 263.

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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.