6. Frank Schmuck works for a beverage distribution company. From experience, he

Question

6. Frank Schmuck works for a beverage distribution company. From experience, he understands there is a 15 percent chance he will receive a slight shock whenever he does maintenance on a beverage dispensing machine. Frank is scheduled to work on 8 machines today.

a. What is the probability he will receive a shock on just the first and last machines he works on? ____

b. What is the probability he will not receive a shock from any of the machines? ____

c. Frank just finished working on the 7th machine and he has not yet received a shock. What is the probability he will be shocked on the 8th machine? ____

Explanation / Answer

a = (0.15)^2 * (0.85)^6 = 0.0084859 b = (0.85)^8 = 0.27249 c = 0.15

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