Question 1
Suppose the mean length of stay in a chronic disease hospital of a certain type of patient is 60 days with a standard deviation of 15 days. If it is reasonable to assume a normal distribution of lengths of stay, find the probability that a randomly selected patient from this group will have a length of stay of at most 88 days.
Select one:
0.4686
0.4693
0.9693
0.0307