1. A countinuous uniform distribution has the parameters a=4 and b=10. The F(20) is:
2. About 50% of all observations for a normally distributed random variable fall in the interval:
A. mean +- 0.67ó
B. mean +- ó
C. mean +- 2ó
D. mean +- 3ó
How’s your thinking process to deal with this type of questions? Thx.