The random variable X has a normal distribution with a mean 80 and standard deviation 6. Choose random sample of size 40 from this distribution. Let X be the random variable of sample means. (With the numbers im suppose to answer these folowing questions) a. What is the distribution of X b What is the mean of X? c. What is the standard deviation of x d. Calculate P(79.6 < X < 80.2) include shaded diagram (This one is a bit tough for me)

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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.