The probability of experiencing a significant personnel injury on the shop floor of a
manufacturing plant in any given work day is 1%. What is the probability of having zero significant
personnel injuries during a period of 30 work days?
a) 0.7000 b) 0.6690 c) 0.7397 d) 0.6050 e) 0.9900

What is the probability of having 1 or more significant personnel injuries in that time?
a) 0.3310 b) 0.3950 c) 0.9900 d) 0.5052 e) 0.2603

Question

The probability of experiencing a significant personnel injury on the shop floor of a 
manufacturing plant in any given work day is 1%.  What is the probability of having zero significant 
personnel injuries during a period of 30 work days? 
a) 0.7000          b)  0.6690          c)  0.7397          d)  0.6050          e)  0.9900 

What is the probability of having 1 or more significant personnel injuries in that time? 
a) 0.3310         b)  0.3950         c)  0.9900         d)  0.5052           e)  0.2603