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Q1) Engineering firm bids on contracts for short-term jobs where each job can make profit of $100,000 for firm. Assume the probabilities of getting zero to five such jobs in certain month are given in the table below:
Number of jobs
Probability
0
0.05
1
0.15
2
0.20
3
0.25
4
5
a) Determine the expected profit during month for a firm.
b) Determine the variance of firm's profit for the month.
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