Objective type questions for normal and uniform probability distribution
1. Which of the following isn't a characteristic of the normal probability distribution?
1) The mean, median and the mode are equal
2) The mean of the distribution can be negative, zero or positive
3) the distribution is symmetric
4) the standard deviation must be 1
2. A uniform probability distribution is an incessant probability distribution where the probability that the random variable presumes a value in any interval of equal length is
1) Different for each interval
2) The same for each interval
3) At least one
4) None of these alternatives is correct