Continuous random variables - Which of these variables are discrete and which are continuous random variables?
a. The number of new accounts established by a salesperson in a year.
b. The time between customer arrivals to a ba ...
quick, basic question about percentiles - Argue that in the case of a continuous random variable the kth percentile is the point such that
P[X < or= pk/100] = k/100
(k/100 here should be in subscript, it's not p*k/100)
pk/100 would be ...
Discrete random variable and expected value - 3. Let X be a discrete random variable with Pr {X = i} = ci for positive, even integers i <= 12; otherwise, the probability is zero, (a) Compute the value of c. (b) What is the mean of X? (c) What is ...
Correlation - Correlation. See attached file for full problem description.