Question

The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with \mu = 9.4 inches and \sigma = 1 inches.
(a) Is X a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS)
b) Write the event ''a fish chosen has a length equal to 7.4 inches'' in terms of X
c)Find the probability of this event:
d)Find the probability that the length of a chosen fish was greater than 11.9 inches
e)Find the probability that the length of a chosen fish was between 7.4 and 11.9 inches