As part of a survey, 16 adults were asked, "How many hours did you spend at your job last week?" The results are shown in the stem-and-leaf display below.
Use the display to answer the questions that follow.
Number of hours worked last week
23
3 44568
40111356
5117
Key: 23 means 23 hours.
(a) What was the highest number of hours worked in the 40s?
(b) What was the least number of hours worked overall?
(c) How many responses fell in the 30s?

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.