Navigation » List of Schools, Subjects, and Courses » Math 136 – Introduction to Statistics » Section 6.2 Homework » Section 6.2 Homework Question 5
With Answers Good news! We are showing you only an excerpt of our suggested answer to this question. Should you need our help in customizing an answer to this question, feel free to send us an email at 
or chat with our customer service representative.
Section 6.2 Homework Question 5
Section 6.2 Homework
5. According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267.
Suppose you sit on a bench in a mall and observe people’s habits as they sneeze.
(a) What is the probability that among 12 randomly observed individuals exactly 6 do not cover their mouth when sneezing?
(b)What is the probability that among 12 randomly observed individuals fewer than 3 do not cover their mouth when sneezing?
(c) Would you be surprised if, after observing 12 individuals, fewer than half covered their mouth when sneezing? Why?
(a) The probability that exactly 6 individuals do not cover their mouth is
(b) The probability that fewer than 3 individuals do not cover their mouth is