What is the confidence level associated with one standard deviation away from the expected return? Option: 50%, 68%, 99%, 95%

What is the confidence level associated with one standard deviation away from the expected return?

What percentage of data points in a normal distribution fall within one standard deviation from the mean?

What percentage of data falls within one standard deviation of the mean in a normal distribution?

The text mentions that Nifty's daily returns follow a normal distribution. What percentage of data is expected to be within the 1st standard deviation (SD) from the mean?

How do we calculate the range of a portfolio's expected return with 95% confidence?

What does standard deviation represent in the context of stock market analysis?