Aquality assurance engineer computed the following values for p- chart: Sample size=100 p-bar=0.032 Upper Control Limit = 0.08568 Lower Control Limit = -0.02168 During a given day, suppose a sample of 100 bulbs was selected from the machine and that 14 were found defective. If the supervisor decided to shut the machine to locate the fault, which statement below will be correct: Select one: O a. One sample is not enough to reach any conclusion Ob. Type-2 error may be committed. OC. c. Type-1 error may be committed. Od. The decision to shut the machine was correct