Don wants to keep his favorite pine tree from being uprooted by heavy winds. He plans to tie 3 sections of rope to a band on the trunk of the tree 6 feet above the ground. He will tie each section of rope to a stake in the ground 8 feet out from the base of the tree. How much rope will he need altogether? Ignore any extra rope needed to tie knots.

A. the probability that a product is defective is 0.1. what is the probability that there will be 1 or less defective products out of the next 8 produced products b. the expected number of imperfections in the coating nylon for parachutes is 6 per 100 yards. what is the probability of finding 12 or fewer imperfections in 260 yards c. in a lot of 54 products there are 9 defective products. calculate the probability that not more than 1 is defective from a random sample of 17 products.