Sample of the 200 bolts, of this sample: 24 bolts are defective for workmanship, 34 bolts are defective because of size being to large, 158 bolts meet specifications.
a. If only one bolt is selected, determine the probability that it will be found defective for only one reason (i.e. it is either too large or has poor workmanship, but not both.)
b. If two bolts are selected, determine the probability that both will be found defective for only one reason (i.e. it is either too large or has poor workmanship, but not both.)