A random variable is normally distributed with a mean of 50 and a standard deviation of 5. a. Which of the following graphs accurately represents the probability density function? b. What is the probability that the random variable will assume a value between 45 and 55 (to 4 decimals)? c. What is the probability that the random variable will assume a value between 40 and 60 (to 4 decimals)?

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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.