微信扫一扫
实时资讯全掌握
|
A group of investors wants to be sure to always earn at least a 5% rate of return on their investments. They are looking at an investment that has a normally distributed probability distribution with an expected rate of return of 10% and a standard deviation of 5%. The probability of meeting or exceeding the investors' desired return in any given year is closest to: A. 98%. B. 84%. C. 34%. D. 50%. |