Question5. (5 Marks) Concrete blocks are tested, and it is found that, on average, 5% fail to meet the required specification. For a batch of 10 blocks, determine the probabilities that
(a) two blocks will foll to meet the specification.
(b) fewer than three blocks will fail to meet the specification.
x : block fail to meet the sperification.
(a) P=0.05
q=0.95,n=10