Question

(NOTE: All 3 Parts refer back to 1)

1. A published poll has indicated that 7 out of 10 people who visit a grocery store to purchase corn flakes will purchase a nationally advertised and marketed brand even though a store brand for corn flakes is available at a lesser price.
   
   1. What is the probability that the 15^th person visiting a grocery store to purchase corn flakes will be the 2^nd person to purchase corn flakes with the store brand?
      
2. 2. If 10 people visit a grocery store to purchase corn flakes, what is the probability that at least one will purchase corn flakes with the store brand?
      
   3. Five people walking into a grocery store are surveyed regarding their preference of purchasing either a nationally advertised and marketed brand of corn flakes or the store brand. What is the probability that the fifth person surveyed will be the first person who indicates he or she will purchase the nationally advertised and marketed brand of corn flakes?

Answer 1