# Question: A recent Pew Research survey reported that 48 of 18

A recent Pew Research survey reported that 48% of 18- to 29- year- olds in the United States own tablets. (Data extracted from “Tablet and E- Reader Ownership,” bit. ly/ 1gEwogC). Using the binomial distribution, what is the probability that in the next six 18- to 29- year- olds surveyed,

a. Four will own a tablet?

b. All six will own a tablet?

c. At least four will own a tablet?

d. What are the mean and standard deviation of the number of 18- to 29- year- olds who will own a tablet in a survey of six?

e. What assumptions do you need to make in (a) through (c)?

a. Four will own a tablet?

b. All six will own a tablet?

c. At least four will own a tablet?

d. What are the mean and standard deviation of the number of 18- to 29- year- olds who will own a tablet in a survey of six?

e. What assumptions do you need to make in (a) through (c)?

## Answer to relevant Questions

A student is taking a multiple- choice exam in which each question has four choices. Assume that the student has no knowledge of the correct answers to any of the questions. She has decided on a strategy in which she will ...Assume a Poisson distribution. a. If λ = 2.5, find P(X = 2). b. If λ = 8.0, find P(X = 8). c. If λ = 0.5, find P(X = 1). d. If λ = 3.7, find P(X = 0). The U. S. Department of Transportation maintains statistics for mishandled bags per 1,000 airline passengers. In October 2013, Delta mishandled 1.55 bags per 1,000 passengers. What is the probability that in the next 1,000 ...A toll- free phone number is available from 9 a. m. to 9 p. m. for your customers to register complaints about a product purchased from your company. Past history indicates that an average of 0.8 calls is received per ...Social log- ins involve recommending or sharing an article that you read online. According to Janrain, in the fourth quarter of 2013, 35% signed in via Facebook compared with 35% for Google. (Source: “Social Login Trends ...Post your question