a) Researchers studying the returns on mutual funds for 2012 found that they were normally distributed with a mean of 15% and a standard deviation of 10%. What percentage of mutual funds had a gain (i.e. a return greater than 0)? = 93.32% Then, b) What percent of funds had returns less than 10%? a. 30.85%b. 61.70%c. 69.15%d. None of the above

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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.