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#1
The sales records of a real estate agency show the following sales over the past 200 days:
No.of houses sold////////////// No. of days
0//////////////////////////// 60
1/////////////////////////// 80
2//////////////////////////// 40
3 /////////////////////////// 16
4 ////////////////////////// 4

A. How many sample points are there?
B. Assign probabities to the sampl points and show their value?
C. What is the probability that the agency will not sell any houses in a given day?
D. What is the probability of selling at least 2 houses?
E. What is the probability of selling 1 or 2 houses?
F. What is the probability of selling less than 3 houses?