The cost of unleaded gasoline in the Bay Area once followed an unknown distribution with a mean of $4.95 and a standard deviation of $0.10. Sixteen gas stations from the Bay Area are randomly chosen.
1. What is the approximate probability that the average price for 16 gas stations is over $4.69? 0
2. Find the probability that the average price for 30 gas stations is less than $4.55. .0142