Belle and Mabel are both 8-week-old puppies of different breeds. Belle has a mass of 12
kilograms (kg), and Mabel has a mass of 4 kg. What is the ratio of Belle's mass to Mabel's
mass?
A 3:1
B 8:1
C 8:4
D 12:8

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.