A group of mutual funds earned varying annual rates of return in last year. Such rates of return are normally distributed with mean of 7% and standard deviation of 20%.
One mutual fund in this group managed to earn the rate of return which was double that of this group's average that year. This performance would put the fund in the top X% of those funds in that year.
Compute X%. You may find out this standard normal table useful. Give your answer to 1 decimal place.
X% =