The sales record of real estate agency show the following sales over the pat 200 days:
Number of houses sold Number of Days
0 60
1 80
2 40
3 16
4 4
a) How many sample points are there?
b) Assign probabilities to sample points and show their values?
c) Determine the probability that agency will not sell any houses in a given day?
d) Determine the probability of selling at least 2 houses in a given day?
e) Determine the probability of selling 1 or 2 houses?
f) Determine the probability of selling less than 3 houses in a given day?