1) The daily demand, D, of sodas in the breakroom is:
i) Find the probability that the demand is atmost 2.
ii) Compute the average demand of sodas.
iii) Compute SD of daily demand of sodas.
2) From experience you know that 83% of thedesks in the schools have gum stuck
beneath them. In a random sample of 14 desks.
a) Compute the probability that all of them havegum underneath.
b) Compute the probability that 10 or less deskshave gum.
c) What is the probability that more than 10 havegum?
d) What is the expected number of desks in thesample have gum?
e) What is the SD of the number of desks withgum?
3) The number of customers, X, arriving in aATM in the afternoon can be modeled
using a Poisson distribution with mean 6.5.
a) Compute P(X<3).
b) Compute P(X>4).
c) SD of X.
