# Question: What is the first big change that American drivers made

What is the first big change that American drivers made due to higher gas prices? According to an Access America survey, 30% said that it was cutting recreational driving. However, 27% said that it was consolidating or reducing errands. If these figures are true for all American drivers and if 20 such drivers are randomly sampled and asked what is the first big change they made due to higher gas prices?

a. What is the probability that exactly 8 said that it was consolidating or reducing errands?

b. What is the probability that none of them said that it was cutting recreational driving?

c. What is the probability that more than 7 said that it was cutting recreational driving?

a. What is the probability that exactly 8 said that it was consolidating or reducing errands?

b. What is the probability that none of them said that it was cutting recreational driving?

c. What is the probability that more than 7 said that it was cutting recreational driving?

**View Solution:**## Answer to relevant Questions

The Wall Street Journal reported some interesting statistics on the job market. One statistic is that 40% of all workers say they would change jobs for “slightly higher pay.”In addition, 88% of companies say that there ...Find the following values by using the Poisson formula.a. P (x = 5 | l = 2.3)b. P (x = 2 | λ = 3.9)c. P (x ≤ 3 | λ = 4.1)d. P (x = 0 | λ = 2.7)e. P (x = 1 | λ = 5.4)f. P (4 < x < 8 | λ = 4.4)A pen company averages 1.2 defective pens per carton produced (200 pens).The number of defects per carton is Poisson distributed. a. What is the probability of selecting a carton and finding no defective pens?b. What is the ...A company produces and ships 16 personal computers knowing that four of them have defective wiring. The company that purchased the computers is going to thoroughly test three of the computers. The purchasing company can ...In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In one five-minute period, a lot consisting of 32 parts is produced. Twenty-two are produced by ...Post your question