11 2 () Cidctly 6 successes TUU Successes (iv) at most 6 successes. There are 6% detective items in a large bulk of items. Find the probability that a sample of 8 items will include not more than one defective item. In a box containing 60 bulbs, 6 are defective. What is the probability that out of a sample of 5 bulbs (i) none is defective, (ii) exactly 2 are defective? The probability that a bulb produced by a factory will fuse after 6 months of use is 0.05. Find the probability that out of 5 such bulbs (i) none will fuse after 6 months of use (11) at least one will fuse after 6 months of use fim not more than one will fuse after 6 months of use. 14. In the items produced by a factory, there are 10% defective items. A sample of 6 items is randomly chosen. Find the probability that this sample contains (1) exactly 2 defective items fiil nnt more than 2 defective items, (iii) at least 3 defective items.