The management of a grocery store has kept a record of bad checks received per day for a period of 200 days. The data are shown below.
Number of Bad Checks Received__________ Number of Days
0........................................................................8
1......................................................................12
2......................................................................20
3......................................................................60
4......................................................................40
5......................................................................30
6......................................................................20
7......................................................................10
a. Develop a probability distribution for the above data.
b. Is the probability distribution that you found in Part "a" a proper probability distribution? Explain.
c. Determine the cumulative probability distribution F(x).
d. What is the probability that in a given day the store receives four or less bad checks?
e. What is the probability that in a given day the store receives more than 3 bad checks?