# A harris interactive survey for intercontinental hotels and resorts

1. A Harris Interactive survey for Intercontinental Hotels and resorts asked respondents when traveling internationally, do you generally venture out on your own to experience culture or stick with your tour group and itineraries? The survey found that 23% of the respondents stick with their tour group. a. in a sample of 6 travelers, what is the probability that 2 will stick with their tour group? b. in sample of 6 travelers what is the probability that at least 2 will stick with their group c. In a sample of 10 travelers, what is the probability that none will stick with their group

2. Consider a Poisson probability distribution with 2 as the avg number of occurrences per time period. a. write the appropriate Poisson probability function b. what is the average number of occurrences in three time periods c. write the appropriate Poisson probability function to determine the probability of x occurrences in three time periods d. find probability of 2 occurrences in 1 time period.