probability

2. Let the random variable H represent the amount of time it takes an accountant to complete a tax return with mean # = 1.5 hours and Of = 0.5 hours. (a) Is the random variable H discrete or continuous? (b) The cost (in dollars) the accountant charges to complete a tax return is: C =75H + 25 Find the mean and variance of the random variable C. Show work and label your answers with the appropriate symbols