10 5 points An office machine costs $10,000 to replace unless a mysterious, hard-to-find problem can be found and fixed. Repair calls from any service technician cost $500 each, and you're willing to spend up to $2,000 to get this machine fixed. You estimate that a repair technician has 10% chance of fixing it. What would be the probability that four technicians will be called? O 0.0009 O 0.001 0.729 O 0.81 0.01 O None of the above